The part labelled I in the diagram is the
- A. cytoplasm
- B. pollen nucleus
- C. pollen tube
- D. endosperm
- E. intine
The diagram above represents a?
- A. germinating seed
- B. radicle
- C. shoot showing negative phototropism
- D. zygote
- E. germinating pollen grain
During mating, the male toad holds the female with its?
- A. sticky tongue
- B. jelly
- C. webbed hind limbs
- D. nuptial pad
- E. gummy limbs
Which of the following is an example of a reflex action?
- A. Sneezing
- B. Biting
- C. Dancing
- D. Singing
- E. Talking
Which of the labelled parts is filled with cerebrospinal fluid?
- A. V And I
- B. V only
- C. III only
- D. II and I
- E. I only
The part labelled II in the diagram is the
- A. central canal
- B. grey matter
- C. spinal cord
- D. dorsal root
- E. vertebrarterial canal
A high concentration of auxin in the root will
- A. inhibit growth
- B. stimulate growth
- C. not affect growth
- D. cause the root to roth
- E. reduce water absorption
The early removal of the pituary gland in animals may cause
- A. ceasation of growth
- B. gigantism
- C. poor mental development
- D. goitre
- E. inability to digest food
Filtered blood from the kidney is carried back to the circulatory system
through the
- A. hepatic portal vein
- B. renal artery
- C. renal vein
- D. pulmonary vein
- E. vena cava
The malpighian tubule plays a major role in
- A. inspiration
- B. digestion
- C. secretion
- D. reproduction
- E. excretion
The part labelled I in the diagram is called
- A. stoma
- B. epidermis
- C. Ienticel
- D. cortex
- E. parenchyma
Which of the labelled parts is made up of dead cells?
- A. III and IV
- B. I, II and IV
- C. IV and V
- D. II and III
- E. II and IV
Which of the following structures is associated with respiration in insects?
- A. Air sac
- B. Spiracle
- C. Lung
- D. Alveolus
- E. Gill
Clotting of blood is a function of
- A. vitamin C
- B. vitamin K
- C. vitamin B2
- D. vitamin E
- E. vitamin B12
Which of the following hind limb bones is equivalent to the humerus of the forelimb?
- A. Patella
- B. Tarsal
- C. Tibia
- D. Fibula
- E. Femur
Which of the following is a product of brewing when yeast is used as a fermenting agent?
- A. Nitrogen
- B. Oxygen
- C. Malt
- D. Ethanol
- E. Sucrose and glucose
Which of the following processes occurs by diffusion?
- A. Reabsorption of water in kidney tubules
- B. Entry of water into the cytoplasm of unicellular animals
- C. Absorption of water in the large intestine
- D. Exchange of nutrients between a mother and the foetus
- E. Movement of water in and out of living cells.
Which of the following organelles helps to remove excess water
from cells?
- A. Mitochondrion
- B. Ribosome
- C. Contractile vacuole
- D. Golgi body
- E. Nucleus
What is the function of the part labelled II in the diagram? It
- A. manufactures food
- B. protects the chloroplast
- C. produces protein
- D. suspends the nucleus
- E. digests starch
The part labelled I in the diagram is the
- A. cytoplasm
- B. chloroplast
- C. chlorophyll
- D. nucleus
- E. cell wall
The structure represented in the diagram above is
- A. a colony
- B. a tissue
- C. a filament
- D. a pseudopodium
- E. an organ