Which of the following labelled structures secretes enzymes which facilitate penetration
of the egg?
- A. I
- B. II
- C. III
- D. IV
- E. V
Which of the labelled structures is the nucleus?
- A. I
- B. II
- C. III
- D. IV
- E. V
Which of the following pairs consists of gametes?
- A. Ova and spermatozoa
- B. Spores and sporangium
- C. Flowers and pollen grains
- D. Testes and ovaries
- E. Gametophyte and sporophyte
The most sensitive part of the retina is called
- A. blindspot
- B. conjuctiva
- C. fovea centralis
- D. choroid coat
- E. sclerotic coat
Which of the following is the effect of continuous tillage on an ecological system?
- A. Addition of more. humus to the soil
- B. Decrease in productivity
- C. Increase in yield
- D. Improved fertility
- E. Prevention of erosion
The maintenance of a constant internal environment of an organism is known as
- A. homeostasis
- B. homeorhesis
- C. turgidity
- D. homoiothermy
- E. diuresis
In which of the following groups is nephridium found?
- A. Crustaceans
- B. Reptiles
- C. Birds
- D. Mammals
- E. Annelids
Which of the following statements about the lymphatic system is not correct?
- A. The lymph vessels are always larger in size than the arteries
- B. The flow of lymph is assisted by general muscular movement
- C. Lymph flows only in one direction due to the presence of valves
- D. Lymph is emptied into the blood circulatory system through a vein
- E. Lymph node becomes swollen during serious infections
Which of the following is more concentrated in the blood within the renal artery than the blood within the
renal vein?
- A. Urea
- B. Red blood cells
- C. Glucose
- D. Protein
- E. White blood cells
The vertebral column of mammals consists of the following:
I. Lumbar vertebrae II. Thoracic vertebrae III. Caudal vertebrae IV Cervical vertebrae V. Sacral
vertebrae.
Which of the following articulates with the pelvic girdle?
- A. V
- B. IV
- C. III
- D. II
- E. I
The vertebral column of mammals consists of the following:
I. Lumbar vertebrae II. Thoracic vertebrae III. Caudal vertebrae IV Cervical vertebrae V. Sacral
vertebrae.
Which of the following articulates with the ribs?
- A. I
- B. II
- C. III
- D. IV
- E. V
The vertebral column of mammals consists of the following:
I. Lumbar vertebrae II. Thoracic vertebrae III. Caudal vertebrae IV Cervical vertebrae V. Sacral
vertebrae.
Which of the following are found immediately next to the skull?
- A. I
- B. II
- C. III
- D. IV
- E. V
The thoracic vertebra differs from all the other vertebrae by the possession of
- A. long neural spine
- B. odontoid process
- C. vertebraterial canal
- D. Large centrum
- E. transverse processes
Which of these instruments can be used to perform an experiment on geotropism?
- A. Potometer
- B. Cup anemometer
- C. Klinostat
- D. Kymograph
- E. Sphygmomanometer
ln which of the following structures will cells undergoing meiosis be seen?
- A. At the apices of stem and root
- B. In the cortex of the stem
- C. In the pallisade mesophyll of the leaf
- D. ln the ovary of a flower
- E. ln the root of a seedling
Movement of water across a semi-permeable membrane from a weaker solution to a stronger solution is
known as
- A. transpiration
- B. diffusion
- C. active transport
- D. plasmolysis
- E. osmosis
Which of the following are the final products of aerobic respiration?
- A. Water, carbondioxide and energy
- B. Pyruvic acid, carbondioxide and water
- C. Glucose, energy and urea
- D. Energy and carbondioxide
- E. Lactic acid, water and carbondioxide
One of the differences between plants and animals is that
- A. growth is indefinite in animals but definite in plants
- B. nutrition is autotrophic in plants but holophytic in animals
- C. in plants there are excretory systems but in animals waste products are stored away
- D. plants react slowly to external stimuli while animals react more quickly
- E. respiration takes place in animals but does not take place in plants
Which of the following is not a cell organelle?
- A. Golgi body
- B. Nucleus
- C. Fat droplets
- D. Ribosome
- E. Endoplasmic reticulum
A few drops of fehling’s solution was added to juice extracted from fresh maize grain and boiled. A red
recipitate was formed, indicating the presence of
- A. alcohol
- B. protein
- C. non-reducing sugar
- D. starch
- E. Endoplasmic reticulum
Which of the following levels of organisation in living things is in the correct sequence, starting from the
most complex to me simplest?
- A. tissue → cell → organ → system
- B. System → organ → tissue → cell
- C. Cell → tissue → system → organ
- D. Cell → tissue → organ → system
- E. Organ → system → tissue → cell.