Class XI & XII · Biology practice
Zoology PYQs
Check your understanding, bookmark questions and revisit your mistakes.
407 questions in this collection · Page 30 of 41
Molecular Basis Of Inheritance
The lactose present in the growth medium of bacteria is transported to the cell by the action of:
Explanation: NCERT Page No.101, (Topic-5.8.1 The Lac operon)
Human Health And Disease
Match List I with List II:
| List-I |
List-II |
| (A)Typhoid |
(I)Fungus |
| (B)Leishmaniasis |
(II)Nematode |
| (C)Ringworm |
(III)Protozoa |
| (D)Filariasis |
(IV)Bacteria |
Choose the correct answer from the options given
below:
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Structural Organisation In Animals
In both sexes of cockroach, a pair of jointed
filamentous structures called anal cerci are present
on:
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Neural Control And Coordination
Match List I with List II:
| List-I |
List-II |
| (A)Pons |
(I)Provides additional space for Neurons,
regulates posture and balance. |
| (B)Hypothalamus |
(II)Controls
respiration and gastric secretions. |
| (C)Medulla |
(III)Connects different regions of the brain. |
| (D)Cerebellum |
(IV)Neuro secretory cells |
Choose the correct answer from the options given
below:
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Chemical Coordination And Integration
Which of the following is not a steroid hormone?
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Evolution
The flippers of the Penguins and Dolphins are the
example of the:
EVOLUTION-NCERT Book Page no:131
Breathing And Exchange Of Gases
Match List I with List II:
| List-I |
List-II |
| (A)Expiratory capacity |
(I)Expiratory reserve volume + Tidal volume + Inspiratory reserve volume |
| (B)Functional residual capacity |
(II)Tidal volume + Expiratory reserve volume |
| (C)Vital capacity |
(III)Tidal volume + Inspiratory reserve volume |
| (D)Inspiratory capacity |
(IV)Expiratory reserve volume + Residual
volume |
Choose the correct answer from the options given
below:
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Body Fluids And Circulation
Following are the stages of pathway for conduction
of an action potential through the heart:
A. AV bundle
B. Purkinje fibres
C. AV node
D. Bundle branches
E. SA node
Choose the correct sequence of pathway from the
options given below:
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Breathing And Exchange Of Gases
Which of the following factors are favourable for the formation of oxyhaemoglobin in alveoli?
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Animal Kingdom
Consider the following statements:
A. Annelids are true coelomates
B. Poriferans are pseudocoelomates
C. Aschelminithes are acoelomates
D. Platyhelminthes are pseudocoelomates
Choose the correct answer from the options given
below:
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