IMP BIOLOGY QUESTION FOR ALL COMPETITIVE EXAM CUET, CUET-PG, BE.d, & OTHER COMPETITIVE EXAM Part 01

IMP BIOLOGY QUESTION FOR ALL COMPETITIVE EXAM

Q1. Ozone is a gas made up of

A) two oxygen atoms 

B) four oxygen atoms

C) one oxygen atom 

D) three oxygen atoms 

CORRECT ANSWER IS D) THREE OXYGEN MOLECULE

Q2. Fossil fuels are examples of which kind of natural source of energy?
A) Renewable sources of energy
B) Non-renewable sources of energy
C) Thermokinetic energy

D) Nuclear energy

CORRECT ANSWER IS B) NON-RENEWABLE SOURCE OF ENERGY

Q3. Many marine animals use carbonates dissolved in seawater to make their

A) arches

B) filaments

C) shells

D) blood vessels

CORRECT ANSWER IS C) SHELLS

Q4.Which of the following taxonomical aids are used for identification of plants and animals based on similarities and dissimilarities?

A) Key

B) Herbarium

C) Museum

D) Botanical garden

CORRECT ANSWER IS A) KEY

Q5. What is the other name for the extracellular space created from the continuation of the cell wall?

A) Symplast

B) Apoplast

C) Heteroplast

D) Biplast

CORRECT ANSWER IS B) APOPLAST

Q6. Which of the following models was proposed by Singer and Nicolson on the concept of cell membrane structure?

A) Kavanau’s Lipid Pillar Model

B) Fluid Mosaic Model

C) Danielli and Davson Model

D) Unit Membrane Model

CORRECT ANSWER IS B) FLUID MOSAIC MODEL

Q7. Name the vascular tissue in plants?

A) Phloem and Collenchyma

B) Xylem and Collenchyma

C) Collenchyma and Parenchyma

D) Xylem and Phloem

CORRECT ANSWER IS D) Xylem and Phloem

Q8. The sum total of all processes in which water moves from the land and ocean surface to the atmosphere and back in form of precipitation is

A) sulfur cycle of the earth

B) hydrological cycle of the earth

C) carbon cycle of the earth

D) nitrogen cycle of the earth

CORRECT ANSWER IS B) hydrological cycle of the earth

Q9. Which of the following statements is CORRECT as per fluid mosaic model of plasma membrane?

A) A bilayer is produced by phospholipids in the middle layer of the plasma membrane

B) Upper layer is partially polar and partially non-polar of the plasma membrane

C) Proteins are embedded in the centre of the upper and lower layer of the plasma membrane

D) Lower layer is non-polar and hydrophilic in nature of the plasma membrane

CORRECT ANSWER IS A) A bilayer is produced by phospholipids in the middle layer of the plasma membrane

Q10. Which of the following is formed due to the heating of water bodies and the activities of living organisms?

A) Water vapour

B) Floods

C) Acid rain

D) Deforestation

CORRECT ANSWER IS A) Water vapour

Q11. The growth of a part of a plant in response to touch is known as

A) Hydrotropism

B) Phototropism

C) Geotropism

D) Thigmotropism

CORRECT ANSWER IS D) Thigmotropism

Q12. The term 'Angiosperm' is derived from two greek words, angio and sperma. What do they mean?

A) Naked, Seed

B) Covered, Seed

C) Young shoot, Plant

D) Moss, Plant

CORRECT ANSWER IS B) Covered, Seed

Q13. Which of the following salient features is common in the classes of Aves and Mammals under kingdom Animalia?

A) Cold-blooded

B) Homoiothermous

C) Two-chambered Heart

D) Poikilothermous

CORRECT ANSWER IS B) Homoiothermous

Q14. Which of the following is NOT a function of lysosomes?

A) Modification of proteins

B) Autophagy

C) Programmed destruction

D) Intracellular digestion

CORRECT ANSWER IS A) Modification of proteins

Q15. In a open circulatory system the blood is not enclosed in the blood vessels but it is pumped into a cavity called

A) veins

B) arteries

C) ostia

D) hemocoel

CORRECT ANSWER IS D) hemocoel

Q16. Which of the following cell organelle is also known as the ''director of the cell''?

A) Lysosomes

B) Mitochondria

C) Nucleus

D) Plastids

CORRECT ANSWER IS C) Nucleus

Q17. What is animal physiology?

A) The study of how animals change the environmental conditions

B) The study of the outer appearance of the animal and its influence on the atmosphere to maintain its rapid growing population

C) The study of how animal form or structure and function sustain life and shape responses to environmental conditions

D) The study of the genetic variations in animals due to environmental conditions

CORRECT ANSWER IS C) The study of how animal form or structure and function sustain life and shape responses to environmental conditions

Q18. Which of the following cell organelles is surrounded by a double membrane? 

A) Lysosome

B) Nucleus

C) Vacuole

D) Peroxisome

CORRECT ANSWER IS B) Nucleus

Q19. The epidermal cells surrounding the guard cells of the stomata are known as

A) lenticels

B) accessory cells

C) pneumatophores

D) aerenchyma

CORRECT ANSWER IS B) accessory cells

Q20. Which of the following biomolecules is metabolized in glyoxysomes?

A) Both Carbohydrates and Proteins

B) Proteins

C) Carbohydrates

D) Lipids

CORRECT ANSWER IS D) Lipids

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