a.i.p.m.t. foundation - xi biology mcqs · a.i.p.m.t. foundation - xi biology mcqs time: 30 min...

A.I.P.M.T. Foundation - XI Biology MCQs

Time: 30 min MCQ#1 Full Marks: 20 Choose the most appropriate answer.

1. They are the remains or impressions of living organisms preserved in rocks:

1. Tissues

2. Fossils

3. Calcium

4. Statutes

Correct Ans. (2)

2. It is the study of fossils and their relationship to the evolution of life on earth:

1. embryology

2. taxonomy

3. physiology

4. None of these

Correct Ans. (4)

3. Man has been able to produce food in greater quantities due to advancement in:

1. Mathematics

2. Space science

3. Physics

4. Biology

Correct Ans. (4)

4. Taxonomy is the study of:

1. Functions of different parts of organisms

2. Naming and classification of organisms

3. Hereditary characters

4. Structure and functions of cells

Correct Ans. (2)

5. Anatomy deals with the study of:

1. Relationship between organisms and their environment

2. Development of an organism from a fertilized egg or zygote

3. Structure and function of molecular components of the cell

4. Internal organs of organisms

Correct Ans. (4)

6. Pollution of our surroundings in the recent past has resulted because of:

1. Biological Research

2. Rapid industrialization

3. Information Technology

4. Forestation

Correct Ans. (2)

7. The statement made by a scientist, which may be the possible answer to the problem.

1. Deduction

2. Theory

3. Hypothesis

4. Law

Correct Ans. (3)

8. Which of the following is involved in the spread of malaria ?

1. Bacterium

2. Bad Air

3. Virus

4. Mosquito

Correct Ans. (4)

9. People who slept outside in open spaces suffered from malaria more frequently than those who slept

indoors, indicates that:

1. Bad air is involved in the spread of Malaria

2. Bacteria are involved in the spread of Malaria

3. Mosquitoes are involved in the spread of Malaria

4. Birds are involved in the spread of Malaria

Correct Ans. (3)

10. The entry of Plasmodium into the blood of Man was discovered by:

1. A. F. A. King

2. Laveran

3. Ronald Ross

4. Grassi

Correct Ans. (2)

11. In case of typical attack, malarial patient feels:

1. Very cold and chilly

2. Very Warm

3. Sleepy

4. Normal

Correct Ans. (1)

12. Sexual reproduction of the malaria parasite occurs in :

1. Man

2. Mosquito

3. Red blood cells

4. Both a and b

Correct Ans. (2)

13. Inside human body Plasmodium attacks:

1. Nerve cells

2. Red blood cells

3. White blood cells

4. Kidney cells

Correct Ans. (2)

14. In the life cycle of Plasmodium fusion of gametes and formation of gametes and formation of zygote

take place in:

1. Body of Man

2. Body of Mosquito

3. Air

4. Water

Correct Ans. (2)

15. The part of Cinchona plant found suitable for the treatment of Malaria was:

1. Seeds

2. Fruits

3. Leaves

4. Bark

Correct Ans. (4)

16. When sporozoites of Plasmodium pass from the blood to liver cells, they multiply for:

1. 8 days

2. 10 days

3. 12 days

4. 14 days

Correct Ans. (3)

17. Man can now be saved from fatal diseases by using:

1. Vaccine

2. Bacteria

3. Antibiotics

4. Plasmodium

Correct Ans. (1)

18. The word malaria has been derived from the combination of two words which are:

1. Latin

2. Italian

3. Greek

4. Arabic

Correct Ans. (2)

19. Which one of the following best describes the scientific method?

1. Doing experiments in laboratories

2. Collecting all known facts on a subject

3. Developing and testing hypothesis

4. Using sensitive electronic measuring instruments

Correct Ans. (3)

20. Which of the following stages of Plasmodium is diploid?

1. Merozoite

2. Sporozoite

3. Zygote (ookinete)

4. Gametocyte

Correct Ans. (3)

21. Which of the following stages of Plasmodium is spindle shaped?

1. sporozoite

2. Merzoite

3. Gametocyte

4. Ookinete

Correct Ans. (1)

22. Which of the following forms of Plasmodium is present in the saliva of mosquito?

1. Merozoites

2. Sporozoites

3. Gametocytes

4. Zygote

Correct Ans. (2)

23. Which of these attack red blood cells?

1. ookinetes

2. Gametocytes

3. Sporozoites

4. Merozoites

Correct Ans. (4)

24. Which of the following is not true of malaria patient?

1. feels cold and chilly

2. feels headache

3. feels appetite

4. temperature rises up to 106 oF

Correct Ans. (3)


Time: 30 min MCQ #2 Full Marks: 40 Choose the most appropriate answer.

1. Nucleus in plant cells was discovered by:

1. Dutrochet

2. Robert Brown

3. Robert Hooke

4. Schleiden

Correct Ans. (3)

2. The pushing out of materials by the cell against the concentration gradient is:

1. Low transport

2. Passive transport

3. Active transport

4. Moderate transport

Correct Ans. (3)

3. Robert Hooke examined thin slices of cork made up of the bark of:

1. Pine

2. Sheesham

3. Oak

4. Mulberry

Correct Ans. (3)

4. In thin slices of cork Robert Hooke noticed.

1. Tiny creatures

2. Small holes

3. Small chambers

4. Bacteria

Correct Ans. (3)

5. Henri Dutrochet confirmed.

1. Robert Brown observations on Nucleus

2. Robert Hooke’s observations on Cells

3. Schwann observations of cells

4. Schleiden observations on cells

Correct Ans. (2)

6. They provide support to the plant body:

1. Phloem cells

2. Parenchyma cells

3. Sclerenchyma cells

4. Chlorechyma cells

Correct Ans. (3)

7. Parenchyma cells are concerned with:

1. Secretion

2. Support

3. Carry Oxygen

4. Storage of surplus food

Correct Ans. (4)

8. Substances cross the cell membrane more easily when they are:

1. Water soluble

2. Protein soluble

3. Alcohol soluble

4. Lipid soluble

Correct Ans. (4)

9. Many substances that are not needed constantly enter the cell by:

1. Passive transport

2. Active transport

3. Negative transport

4. Fast transport

Correct Ans. (2)

10. It is a true cell wall in a newly growing cell:

1. Middle lamella

2. Secondary wall

3. Primary wall

4. Plasma membrane

Correct Ans. (3)

11. It is the first to be formed:

1. Primary wall

2. Secondary wall

3. Tertiary wall

4. Middle lamella

Correct Ans. (1)

12. It is a site of certain metabolic pathways:

1. Cell wall

2. Plasma membrane

3. Cytoplasm

4. A & B

Correct Ans. (3)

13. The water percentage of cytosol in the cytoplasm is:

1. 50

2. 60

3. 70

4. 90

Correct Ans. (4)

14. New Ribosomes are assembled in the :

1. Nucleolus

2. Mitochondria

3. Endoplasmic Reticulum

4. Golgi Apparatus

Correct Ans. (1)

15. Smooth Endoplasmic Reticulum helps to:

1. Synthesize proteins

2. Detoxify the harmful drugs

3. Prepare food

4. Decompose proteins

Correct Ans. (2)

16. Morphologically Endoplasmic Reticulum exists in:

1. Four forms

2. Three forms

3. Two forms

4. One form

Correct Ans. (2)

17. The 60S and 40S subunits on attachment with each other form:

1. 100S particle

2. 90S particle

3. 80S particle

4. 70S particle

Correct Ans. (3)

18. Proteins are synthesized in the:

1. Ribosomes

2. Mitochondria

3. Nucleus

4. Nucleolus

Correct Ans. (1)

19. They are absent in higher plants:

1. Plastids

2. Golgi Apparatus

3. Cell Membranes

4. Centrioles

Correct Ans. (4)

20. Amino acids (proteins) are present in the cell walls of:

1. Gymnosperms

2. Bacteria

3. Mosses

4. Angiosperms

Correct Ans. (2)

21. Which of the following organelles is present in both prokaryotic and eukaryotic cells?

1. Chloroplast

2. Ribosomes

3. Mitochondria

4. Golgi Complex

Correct Ans. (2)

22. Which of the following features is not shared by prokaryotic and eukaryotic cells?

1. Ribosome

2. Cytoplasm

3. Cell membrane

4. Nuclear membrane

Correct Ans. (4)

23. Which of the following cell organelles is present in both plant and animal cells?

1. Chlorophyll

2. Plasma membrane

3. Plastids

4. Cell wall

Correct Ans. (2)

24. Which of the following pair is incorrect?

1. Ribosome ______________Protein synthesis

2. Chloroplast _____________Photosynthesis

3. Mitochondria ____________Fermentation

4. Plasma membrane___________Osmosis

Correct Ans. (3)

25. Which of the structures is not found in a prokaryotic cell?

1. Plasma membrane

2. Nuclear envelope

3. Ribosome

4. Cell wall

Correct Ans. (2)

26. How may membranes comprise the nuclear envelop?

1. None

2. One

3. Two

4. Three

Correct Ans. (3)

27. Which of the following molecules move regularly from the nucleus to the cytoplasm?

1. Glycogen

2. DNA

3. RNA

4. Cholesterol

Correct Ans. (3)

28. Which of the following cellular organelles extracts energy from glucose and forms ATP molecules:

1. Lysosome

2. Chloroplast

3. Mitochondrion

4. Chromoplast

Correct Ans. (3)

29. Lysosomes contain enzymes capable of:

1. Aerobic cellular respiration

2. Digesting part of the cell

3. Synthesizing protein

4. Synthesizing lipids

Correct Ans. (2)

30. Mitochondria are found:

1. in all cells

2. only in plant cells

3. only in animal cells

4. in all eukaryotic cells

Correct Ans. (4)

31. Green pigments capable of capturing the energy of sunlight are located within the:

1. Golgi complex

2. Endoplasmic complex

3. Chloroplast

4. Cell wall

Correct Ans. (3)

32. The two types of cellular organelles that transform energy are:

1. Chromoplasts and leucoplast

2. Mitochondria and chloroplast

3. Mitochondria and Chromoplasts

4. Chloroplasts and leucoplasts

Correct Ans. (2)

33. The plastids that give fruits and flowers their orange and yellow colours are the:

1. leucoplasts

2. chloroplasts

3. Chromoplasts

4. Proplasts

Correct Ans. (3)

34. The main function of the plasma membrane is to:

1. synthesize ribosomes

2. Control what goes into and out of the cell

3. Allow all kinds of substances to enter the cell

4. Move the cell from place to place

Correct Ans. (2)

35. Plant cells are connected by channels through their walls called:

1. Plasmodesmata

2. desmosomes

3. middle lamella

4. non of these

Correct Ans. (1)

36. In the fluid mosaic membrane model the lipid bilayer:

1. is sandwiched between two protein layers

2. has protein embedded in it

3. lies on top of a single protein layer

4. is covered by a single protein layer

Correct Ans. (2)

37. An input of energy is required for which one of the following?

1. diffusion

2. osmosis

3. passive transport

4. active transport

Correct Ans. (4)

38. Which of the following cytoplamic organelles is not bounded by membrane:

1. Mitochodrion

2. Lysosome

3. Ribosome

4. Plastids

Correct Ans. (3)

39. Which of the following bodies is not bounded by a double membrane structure?

1. mitochondrion

2. chloroplast

3. Lysosome

4. Nucleus

Correct Ans. (3)

40. Which of the following cell organelles cause a decrease in the concentration of organic material in

the cell?

1. Golgi bodies

2. Chloroplast

3. Ribosome

4. Mitochondrion

Correct Ans. (4)

41. Which of the following cell organelles is not involved in the sequence of events from synthesis of an

enzyme to its excretion?

1. Ribosome

2. Lysosome

3. Golgi apparatus

4. Endoplasmic reticulum

Correct Ans. (2)

42. A lipid molecule in the plasma membrane has a head and two tails. The tails are found:

1. At the surfaces of the membrane

2. In the interior of the membrane

3. Both at the surfaces and interior of the membrane

4. None of these

Correct Ans. (2)

43. Which of the following organelles and their contents are incorrectly paired:

1. Ribosome – RNA

2. Mitochondrion – Chlorophyll

3. Lysosome – digestive enzymes

4. Nucleus – DNA

Correct Ans. (2)

44. Which of the following properties is incorrect for both mitochondria and chloroplast:

1. Both have an electron transport system

2. ATP synthesis

3. Both are present in all cells

4. Both are double membrane structures

Correct Ans. (3)

45. Which of the following cell organelles release oxygen:

1. ribosome

2. Golgi complex

3. Mitochondria

4. Chloroplast

Correct Ans. (4)

46. Active transport:

1. requires a protein carrier

2. moves a molecule against its concentration gradient

3. requires a supply of energy

4. all of these

Correct Ans. (4)

47. The nucleolus is largely composed of rRNA and

1. lipid

2. Glucose

3. Wax

4. Protein

Correct Ans. (4)


Time: 30 min MCQ #3 Full Marks: 60 Choose the most appropriate answer.

1. It is the most abundant carbohydrate in nature:

1. Sucrose

2. Maltose

3. Starch

4. Cellulose

Correct Ans. (4)

2. The most common monomer of carbohydrates is a molecule of :

1. sucrose

2. lactose

3. maltose

4. glucose

Correct Ans. (4)

3. Which of the following is polysaccharide:

1. Glucose

2. Glycogen

3. Maltose

4. Lactose

Correct Ans. (2)

4. On hydrolysis triglyceride yields

1. a glycerol and three fatty acids

2. a fatty acid and three glycerol

3. a glucose and three fatty acids

4. a maltose and two fatty acids

Correct Ans. (1)

5. Cholesterol is:

1. diglyceride

2. saturated fatty acids

3. unsaturated fatty acids

4. steroid

Correct Ans. (4)

6. Silk is chemically:

1. Lipid

2. Wax

3. Protein

4. Carbohydrate

Correct Ans. (3)

7. Protoplasm of plant cell is:

1. Less viscous than animal cell

2. More viscous than animal cell

3. Equal in viscosity to the animal cell

4. None of these

Correct Ans. (1)

8. In living cell, protein is:

1. The most abundant compound

2. The least abundant compound

3. The second most abundant compound

4. The third most abundant compound

Correct Ans. (3)

9. They catalyze biological reactions in the form of enzymes:

1. Glucose

2. Sucrose

3. Proteins

4. Terpenoids

Correct Ans. (3)

10. Amino Acids in Insulin molecules are arranged in:

1. One polypeptide chain

2. Two Polypeptide chains

3. Three polypeptide chains

4. Four polypeptide chains

Correct Ans. (2)

11. Four polypeptide chains take part in the formation of:

1. Cellulose

2. Silk

3. Hemoglobin

4. DNA

Correct Ans. (3)

12. Each beta chain of Hemoglobin contains:

1. 126 Amino Acids

2. 156 Amino Acids

3. 136 Amino Acids

4. 146 Amino acids

Correct Ans. (4)

13. Amino Acids are linked together by:

1. Hydrogen Bonds

2. Ionic Bonds

3. Peptide bonds

4. None of these

Correct Ans. (3)

14. The manner in which different peptide chains are connected determines the:

1. Size of protein molecule

2. Shape of protein molecule

3. Color of protein molecule

4. Both A & B

Correct Ans. (2)

15. Glyceraldehyde is one of the:

1. Hexoses

2. Trioses

3. Pentoses

4. Tetroses

Correct Ans. (2)

16. Sucrose is formed of:

1. Glucose and Galactose

2. Glucose and Maltose

3. Clucose and Fructose

4. Fructose and Galactose

Correct Ans. (3)

17. They are stored in plant and animal cells:

1. Starch and Glycogen

2. Glucose and sucrose

3. Starch and cellulose

4. Fructose and glucose

Correct Ans. (1)

18. It is the most abundant carbohydrate in nature:

1. Glucose

2. Fructose

3. Cellulose

4. Starch

Correct Ans. (3)

19. Cotton fibers are made up of:

1. Glucose

2. Galactose

3. Starch

4. Cellulose

Correct Ans. (4)

20. Which of the following is true of acylglycerols

1. composed of glycerol and fatty acids

2. easily soluble in water

3. act as enzymes

4. are hydrolyzed into glucose and fructose

Correct Ans. (1)

21. Terpenoides are:

1. Sucrose

2. Glucose

3. Waxes

4. Fructose

Correct Ans. (3)

22. Nucleic acids are formed of units called:

1. Amino acids

2. Nucleotides

3. Citric acids

4. Isoprenoid units

Correct Ans. (2)

23. Typically a nucleotide is composed of:

1. three components

2. four components

3. five components

4. two components

Correct Ans. (1)

24. As compared to somatic cells the amount of DNA in germ line cells (sperms and ova) is almost:

1. Equal

2. Double

3. One third

4. Half

Correct Ans. (4)

25. The function of tRNA is:

1. To carry genetic information’s from DNA to ribosomes

2. To synthesize protein

3. Pick up amino acids and transfer them to ribosomes

4. Constitute ribosomes

Correct Ans. (3)

26. In protoplasm dry matter consists about:

1. 90% organic and 10% inorganic compounds




Correct Ans. (1)

27. Which of the following groups is from the nucleotides:

1. Sugar __________ Nitrogenous Base ___________ Vitamin

2. Sugar ___________ Vitamin ______ Phosphoric acid

3. Sugar ___________ Nitrogenous base ________ Phosphoric acid

4. Phosphoric acid _________ Nitrogenous base _______ vitamin

Correct Ans. (3)

28. Which of the following is hydrolyzed into simple unit:

1. ribose

2. glucose

3. cellulose

4. fructose

Correct Ans. (3)

29. Glucose + Fructose _________ Sucrose + H2O

1. hydrolysis

2. condensation (dehydration)

3. denaturation

4. incorporation synthesis

Correct Ans. (2)

30. The unique properties of each amino acid are determined by its particular

1. R group

2. Amino group

3. Kinds of peptide bonds

4. Number of bonds to other amino acids

Correct Ans. (1)

31. DNA is unique among the organic molecules of protoplasm in that it can:

1. form multipolymer complexes

2. come apart and re-form

3. withstand very high temperature

4. replicate itself

Correct Ans. (4)

32. Nucleotides of DNA molecule varies due to their:

1. glycerol attachments

2. nitrogenous bases

3. sugars

4. phosphates

Correct Ans. (2)

33. Adenine is a:

1. single ring compound

2. double ring compound

3. Triple ring compound

4. Multi-ring compound

Correct Ans. (2)

34. The function of an enzyme is to:

1. cause chemical reactions that would not otherwise take place

2. change the rate of chemical reactions.

3. Control the equilibrium point of reaction

4. Change the direction of reaction

Correct Ans. (2)

35. The enzyme sucrase act on:

1. sucrose only

2. sucrose and starch

3. any disaccharide

4. glycogen

Correct Ans. (1)

36. Which of the following forms part of coenzyme:

1. Diastase

2. Lipase

3. Vitamin

4. Lysine

Correct Ans. (3)

37. An enzyme promotes a chemical reaction by:

1. Lowering the energy of activation

2. Causing the release of heat

3. Increasing molecular motion

4. Both A & B

Correct Ans. (1)

38. Which of the following releases greatest amount of energy:

1. Carbohydrates

2. Lipid

3. Water

4. Nucleic acid

Correct Ans. (2)

39. Which of the following is an example of carbohydrate:

1. enzymes

2. waxes

3. ribose

4. insulin

Correct Ans. (3)

40. DNA molecule:

1. has a sugar-phosphate backbone

2. is single stranded

3. has a certain sequence of amino acids

4. has a uracil base in its nucleotide

Correct Ans. (1)

AIPMT Foundation Biology MCQs

Publisher : Faculty Notes Author : Panel Of Experts

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a.i.p.m.t. foundation - xi biology mcqs · a.i.p.m.t. foundation - xi biology mcqs time: 30 min...

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