Pineapple is an example of

A. a dehiscent fruit

B. an aggregate fruit

C. a composite fruit

D. a simple fruit

The correct sequence of the movement of urea during urine formation is

A. glomerulus → Bowman's capsule→ Convoluted tubules → Henle's loop → collection tube

B. glomerulus → Bowman''s capsule→ Convoluted tubules → Henle's loop → convoluted tubule→ collecting tubule

C. convoluted tubules → glomerulus → Henle's loop→ Bowman's capsule →collecting tubules

D. convoluted tubule → Bowman's capsule → Henle's loop →glomerulus → collecting tubule

The waste product of plants used in the conversion of hide to leather is

A. gum

B. alkaloid

C. tannin

D. resin

Which of the following used diffusion as the principal method of gaseous exchange?

A. lizard

B. grasshopper

C. rat

D. earthworm

Which of the following has the most primitive respiratory system?

A. snail

B. fish

C. insect

D. mouse

A water medium is necessary for fertilization in

A. fungi

B. conifers

C. ferns

D. angiosperms

The chromosomes of members of the kingdom Monera are within the

A. nucleoplasm

B. cytoplasm

C. nucleus

D. nucleolus

The process of shedding the exoskeleton of an arthropod is known as

A. metamorphosis

B. instar formation

C. ecdysis

D. tagmosis

Which of the following is the common to the mosquito, housefly and blackfly?

A. they undergo complete metamorphosis

B. they are parasites of man

C. their immature stages are aquatic

D. their adults have two pairs of wings

An accurate identification of a rapist can be carried out by conducting a

A. RNA analysis

B. DNA analysis

C. blood group text

D. behavioural traits test