One of the use of variation is in

A. determining the size and weight of an individual

B. determining paternity

C. conservation of wildlife

D. controlling of disease vector

E. sex determination

In which of the underlisted blood groupings is agglutination likely to occur during transfusion?

A. I

B. II

C. III

D. IV

E. V

Which of the following is not a morphological variation

A. Shape of nose

B. Colour of skin

C. Colour of eyes

D. Ear lobe

E. Tongue rolling

In man haemophilia is recessive and sex linked. The probability of carrier mother and a normal father having a haemophilic male is

A. 1/4

B. 1/8

C. 2/3

D. 1/2

E. 1

In which of the following is the knowledge of genetics not applicable?

A. Development of high-yielding varieties

B. Preservation of seeds

C. Development of early maturing varieties

D. Development of early maturing seed

In an inter-species competition, the less successful species usually

A. reproduce faster

B. become more active

C. become domant

D. occupy more space

E. become eliminated

Which of the following characteristics distinguishes the soldier termite from other members of the caste?

A. Wingless, strong mandibles and large head

B. Small head, small thorax and large abdomen

C. Small head, Wingless, and small thorax

D. Small head, winged and small thorax

E. Small mandibles, small head and wingless.

Bees communicate with one another to obtain information about the direction of food source through

A. complicated set of dances

B. smell

C. contract notes

D. observation

E. sounds

Which of the following behavioural patterns describes adaptive colouration?

A. Counter shadding

B. Hibernation

C. Aestivation

D. Aggregation

E. Migration