Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

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1.

Which one of the following pairs of structures is correctly matched with their correct description?

  • Structure

    Description

    Tibia and fibula

    Both form parts of knee joint

  • Structure

    Description

    Cartilage and cornea

    No blood supply but do require oxygen for respiratory

  • Structure

    Description

    Shoulder joint and elbow joint

    Ball and socket type of joint

  • Structure

    Description

    Shoulder joint and elbow joint

    Ball and socket type of joint

1100 Views

2.

Leguminous plants are able to fix atmospheric nitrogen through the process of symbiotic nitrogen fixation. Which one of the following statement is not correct during the process of nitrogen fixation?

  • Leghaemoglobin scavenges oxygen and is pinkish in colour

  • Nodules act as a site for nitrogen fixation

  • The enzyme nitrogenase catalyse the conversion of atmospheric N2 to NH3

  • The enzyme nitrogenase catalyse the conversion of atmospheric N2 to NH3

578 Views

3.

Which one of the following is a xerophytic plant in which the stem is modified into the flag green and succulent structure? 

  • Opunita

  • Casuarina

  • Hydrilla

  • Hydrilla

631 Views

4.

In which one of the following organism, its excretory organs are correctly stated?

  • Humans- Kidneys, sebaceous glands and tear glands

  • Earthworm -Pharyngeal, integumentary and septal nephridia

  • Cockroach - Malpighian tubules and enteric caeca

  • Cockroach - Malpighian tubules and enteric caeca

483 Views

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5.

If for some reason the parietal cells of the gut epithelium become partially non-functional, what is likely to happen?

  • The pancreatic enzymes and specially the trypsin and lipase will not work efficiently

  • The pH of stomach will fall abruptly

  • Steapsin will be more effective

  • Steapsin will be more effective

614 Views

6.

Read the following four statements, A, B,C and D select the right option having both correct statements.

A) Z scheme of light reaction takes place in presence of PS- I only.

B) Only PS-I is functional in cyclic photophosphorylation.

C) Cyclic photophosphorylation results into synthesis of ATP and NADPH2

D) Stroma lamellae lack PS-II as well as NADP.

  • B and D

  • A and B

  • B and C

  • B and C

462 Views

7.

Given below are four statements (A-D) regarding human blood circulatory system

  • Arteries are thick -walled and have narrow lumen as compared to veins

  • Angina is acute chest pain when the blood circulation to the brain reduced.

  • Persons with blood group-AB can donate blood to any person with any blood group under ABO system

  • Persons with blood group-AB can donate blood to any person with any blood group under ABO system

377 Views

8.

The haemoglobin content per 100 mL of blood of a normal healthy human adult is 

  • 5-11 g

  • 25-30 g

  • 17-20 g

  • 17-20 g

1098 Views

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9.

An example of endomycorrhiza is 

  • Nostoc

  • Glomus

  • Agaricus

  • Agaricus

441 Views

10.

One of the commonly used plant growth hormone in tea plantations is 

  • ethylene

  • abscisic acid

  • Zeatin

  • Zeatin

706 Views

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