CIE Biology Paper-2: Specimen Questions 6 - 8 of 103

Question number: 6

MCQ▾

Question

Major mass of liver cell is made up of?

Choices

Choice (4) Response
a.

endothelial cells of blood

b.

Hepatocytes

c.

Kupffer cells

d.

epithelial cells

Answer

b.

Explanation

A hepatocyte is a cell of the parenchymal tissue of the liver. Hepatocytes makes 70 - 85 % of the liver’s mass. The main functions of hepatocyte are related to Synthesis of protein, Protein storage, Transformation of carbohydrates, Synthesis of cholesterol, bile salts and phospholipids

Question number: 7

MCQ▾

Question

Dark reaction of photosynthesis occur in.

Choices

Choice (4) Response
a.

Thylakoids

b.

Granum

c.

Stroma

d. All of the above

Answer

c.

Explanation

Dark reactions or Calvin Benison cycle make use of these organic energy molecules (ATP and NADPH). It occurs in the stroma part of the chloroplast. ATP provides the energy, while NADPH provides the electrons required to fix the CO2 (carbon dioxide) into carbohydrates.

Question number: 8

MCQ▾

Question

the study of organism within the environment is known as-

Choices

Choice (4) Response
a.

Zoology

b.

Biology

c.

Ecosystem

d.

Ecology

Answer

d.

Explanation

Ecology is the scientific study of interactions among organisms and their environment. It is an interdisciplinary field that contains biology and Earth science. Ecology includes the study of interactions organisms have with each other, other organisms, and with abiotic components of the environment.

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