CIE Biology Paper-3: Specimen Questions 18 - 22 of 230

Question number: 18

MCQ▾

Question

Which enzyme is not found in lysosome?

Choices

Choice (4) Response
a.

Phosphatase

b.

Lipid

c.

Protease

d.

Polymerase

Answer

d.

Explanation

lysosome is the part of cell where different kind of enzymes present like lipid, protease except Polymerase.

Question number: 19

Short Answer Question▾

Write in Short

In aerobic or anaerobic respiration which is more efficient?

Explanation

Aerobic respiration

Passage

Figure shows part of the female reproductive system during pregnancy

Reproductive system of female during the time of pregnancy

Reproductive system of female during the time of pregnancy

Above picture shows part of the female reproductive system during pregnancy with labeled part A and B

Question number: 20 (1 of 3 Based on Passage) Show Passage

Short Answer Question▾

Write in Short

Write two functions of part B.

Explanation

(A) Placenta supports to transportation of nutrients from mother blood into foetus

(B) Waste related to Nitrogenous products created in the embryo diffuse through the placenta into the maternal blood stream.

(C) Antibodies developed in the mother against certain diseases like measles, small pox, diphtheria pass from mother into the foetal blood through the placenta.

Question number: 21 (2 of 3 Based on Passage) Show Passage

Short Answer Question▾

Write in Short

The surface of the part B has a large number of finger like projections called A. These extend into the surface of the uterus. Explain the importance of finger-like projections.

Explanation

These projections are called villi. Villi play a role in the immunologic “barrier” between feto-maternal tissue and anchoring of the placenta.

Question number: 22 (3 of 3 Based on Passage) Show Passage

Short Answer Question▾

Write in Short

Define the name of both parts A and B in given figure of female reproductive system during pregnancy.

Explanation

Part- A-villi

Part- B-placenta

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