Which of the following organisms does not exist as a single cell?

A. Amoeba

B. Euglena

C. Volvox

D. Chlamydomonas

Which of the following features of Paramecium is not an advancement over Amoeba? The possession of

A. definite shape

B. cilia

C. oral groove

D. nucleus

Which of the following diseases results from the deficiency of insulin?

A. Cretinism

B. Goitre

C. Beri-beri

D. Diabetes

Root hairs absorb water from the soil by

A. diffusion

B. osmosis

C. plasmolysis

D. translocation

One of the similarities between algae and mosses is their possession of

A. chlorophyll

B. stem

C. leaves

D. roots

The vessel that carries blood from the heart to the lungs is called an artery because it

A. contains oxygenated blood

B. contains more blood than the other vessels

C. carries blood away from the heart

D. has thick inelastic wall

During anaerobic respiration in skeletal muscles, pyruvic acid is

A. reduced to lactic acid

B. oxidized to ethanol

C. oxidized to lactic acid

D. reduced to water

Use the information on the stages involved in conjugation to answer the questions below.

I. Transfer of one cell content into the adjacent cell
ll. Formation of a conjugation tube
III. Secretion of thick wall to form a zygospore
IV. Formation of a protuberance
V. Germination of a filament

Which of the following organisms exhibits the stages listed above during conjugation?

A. Chlamydomonas

B. Euglena

C. Spirogyra

D. Volvox

Which of the following arrangements is the correct sequence of the process?

A. II, I, IV, V and III

B. IV, II, I, III and V

C. IV, I, II, V and III

D. V, II, III, IV and I

The teeth used for tearing and cutting are

A. canine and molars

B. premolar and incisors

C. molar and incisors

D. canine and incisors