Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

1.

A function of lysosomes is

  • replication

  • hydrolysis

  • respiration

  • None of the above


2.

Mitochondria and chloroplasts are similar because

  • both have 80S ribosomes

  • both have nuclei

  • both have single membrane envelope

  • both have DNA


3.

The oldest fossil belongs to which of the following group of plants/ animals?

  • Asteriodae

  • Rhodophyceae

  • Blue- green algae

  • Phaeophyceae


4.

Mehli's gland in tapeworm is associated with

  • respiration

  • reproduction

  • excretion

  • circulation


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5.

Which of the following animals has a tetramorphic colony?

  • Velella

  • Physalia

  • Obelia

  • Porpita


6.

Select the correct set of animals of Class- Mammalia.

  • Lion, bat, whale, ostrich

  • Whale, bat, kangaroo, hippopotamus

  • Lion, hippopotamus, penguin, bat

  • Hippopotamus, penguin, whale, kangaroo


7.

Which of the following statements regarding universal rules of nomenclature is wrong?

  • The first word denoting the genus starts with a capital letter

  • The first word in a biological name represents the genus

  • Biological names are generally in Greek and written in italics

  • Both the words in a biological name, when hand-written, are separately underlined


8.

Select the type of enzyme involved in the following reaction

S - G + S' S + S' - G

  • Lyase

  • Transferase

  • Hydrolase

  • Dehydrogenase


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9.

Ringer's solution contains

  • Na+ + Cl- ions

  • Na+ + K+ ions

  • Na+ + K+ + Cl- ions

  • K+ + Cl- ions


B.

Na+ + K+ ions

Ringer's solution was introduced by the physiologist Sidney Ringer in 1882 for the frog heart. The solution consists of sodium chloride, potassium chloride, sodium bicarbonate, and calcium chloride in the concentrations in which they occur in body fluids and that is isotonic to animal tissues.


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10.

Match the column I with column II and choose the correct option.

Column I Column II
A. Goblet cells 1. Antibacterial agent
B. Lysozyme 2. Mucous
C. Saliva 3. HCl
D. Oxyntic cells 4. Sublingual gland

  • A - 3; B - 1; C - 4; D - 2

  • A - 2; B - 3; C - 1; D - 4

  • A - 1; B - 3; C - 4; D - 2

  • A - 2; B - 1; C - 4; D - 3


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