The number of daughter cells formed at the end of mitosis is
- A. 2
- B. 3
- C. 4
- D. 5
- E. 6
The interaction between members of the same population over scarce resources is called
- A. behavioural adaptation
- B. inter-specific competition
- C. intra-specific competition
- D. morphological variation
- E. structural adaptation
Which characteristic in man is NOT inherited?
- A. albinism
- B. colour blindness
- C. haemophilia
- D. night blindness
- E. sickle cell aneamia
Which organelle is responsible for photosynthesis?
- A. cell wall
- B. chloroplast
- C. cell membrane
- D. nucleus
- E. ribosomes
Which process does NOT represent a form of reproduction in plants?
- A. binary fission
- B. budding
- C. conjugation
- D. regeneration
- E. vegetative propagation
Which statement is NOT true of both meiosis and mitosis?
- A. aligning of chromosomes at equator
- B. disintegration of nuclear material
- C. formation of spindle apparatus
- D. halving the number of chromosomes
- E. thickening and shortening of chromosomes
Mammals are said to be homoiothermic because their body temperature is
- A. always higher than that of their environment
- B. always lower than that of their environment
- C. always the same as that of their environment
- D. relatively constant irrespective of that of their environment
- E. remains at 37 o c all the time
What is NOT a supporting tissue in plant?
- A. collenchymas
- B. coracoid
- C. parenchyma
- D. sclerenchyma
- E. xylem
Which statement about how all life started is NOT true according to current thinking on evolutionary trends?
- A. animals to plant life
- B. aquatic to terrestrial forms
- C. non-specialization to specialization in functions
- D. simple to complex forms
- E. unicellularity to multicellularity
The result of placing a plant cell in a hypertonic solution for a long time is ________of the cell.
- A. crenation
- B. flaccidity
- C. haemolysis
- D. turgidity
- E. vasodilation
Bacteria which derive energy for food synthesis by oxidizing certain inorganic compounds are said to be
- A. chemosynthetic
- B. heterotrophic
- C. parasitic
- D. photosynthetic
- E. saprophylic
An example of a disease linked to the sex-chromosome is
- A. colour blindness
- B. gonorrhea
- C. night blindness
- D. syphilis
- E. tuberculosis
Which excretory product is NOT found in mammals?
- A. ammonia
- B. carbon dioxide
- C. mineral salts
- D. urea
- E. water
An inflorescence is a
- A. group of flowers borne on the same stalk
- B. group of flowers born on different stalks
- C. flower pollinated by wind
- D. many flowers on the same plant
- E. plants which have both male and female reproductive organs
Which process will NOT release carbon dioxide into the atmosphere?
- A. Burning
- B. exhalation
- C. photosynthesis
- D. putrefaction
- E. respiration
Which part of Euglena performs a similar function to that of the oral groove in paramecium?
- A. contractile vacuole
- B. ectoplasm
- C. endoplasm
- D. gullet
- E. nucleus
Use the data to answer this question
A class of 40 set out to determine the population of lizards in a bound field measuring 200 metres by 100 metres using the capture-recapture method.
In their first outing, the students captured a total of 360 lizards all of which were marked with indelible ink and then released back into the field.
After a one week interval the students went back into the field and caught a total of 250 lizards out of which 150 bore the indelible ink mark.
What is the estimated population of lizards in the field?
- A. 100
- B. 300
- C. 400
- D. 560
- E. 600
The remains impressions of animals and plants preserved in rocks are referred to as
- A. crusts
- B. fossils
- C. honeycomb
- D. plaques
- E. residues
Thick succulent stems and leaves are an adaptation for conservation of water
- A. prevention of heat stroke
- B. protection
- C. reproduction
- D. sun tanning
Which process best explains the raising upward and outward of the ribs during breathing?
- A. aerobic respiration
- B. anaerobic respiration
- C. exhalation
- D. inhalation
- E. internal respiration
The pro-condition for transfusion of blood to an accident victim is
- A. assess the level of blood lost
- B. boil the blood before transfusion
- C. cross-match the victims and donor blood groups
- D. mix the blood to be donated with sulphur
- E. remove the remaining blood from the accident victim before transfusing the blood