CIE Biology Paper-2: Specimen Questions 101 - 103 of 103

Question number: 101

MCQ▾

Question

Figure shows an animal. Name the phylum of animal

Figure shows an animal

Figure shows an animal

Figure shows an animal. Identify the phylum of animal

Choices

Choice (4) Response
a.

Platyhelminthes

b.

Mollusca

c.

Annelida

d.

Arthropod

Answer

c.

Explanation

The animal shown in the figure is earthworm. Earthworm is a tube-shaped, segmented worm of phylum Annelida. Found in soil, and it increases the fertility of the soil, feeds on live and dead organic matter. Its digestive system runs through the length of its body.

Question number: 102

MCQ▾

Question

Cryopreservation process is carried out a which temperature

Choices

Choice (4) Response
a.

-123

b.

-20 to -50

c.

-60 to -80

d.

-196

Answer

d.

Explanation

Cryopreservation is the use of very low temperatures to preserve structurally intact living cells and tissues. −196 °C (77 K; −321 °F), the boiling point of liquid nitrogen, is the preferred temperature for storing important specimens in cryopreservation.

Question number: 103

MCQ▾

Question

How aerobic and anaerobic processes are similar to the each other

Choices

Choice (4) Response
a.

In aerobic and anaerobic processes all hydrogen atoms in the glucose are replaced

b.

In aerobic and anaerobic processes glucose is completely oxidized

c.

Aerobic and anaerobic processes are modes of generating energy

d.

Aerobic and anaerobic processes requires presence of oxygen

Answer

c.

Explanation

The main similarities in aerobic and anaerobic respiration are-Both are used to form cellular respiration, involve the breakdown of glucose, produces energy, are catalyzed by enzymes and occurs in animals and plants.

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