Biology Past Questions And Answers
2281
Pneumatophores are essential for
- A. nutrition
- B. movement
- C. breathing
- D. growth
2282
Which bf the following structures are visible in the cell of a plant during mitosis?
- A. Centrioles, chromatids and nucleolus
- B. Homologous chromosomes, nuclear membrane and spindle fibres
- C. cell wall, centrioles and chromatids
- D. Chromosomes, nuclear membrane and centromere
2283
Which of the following factors does not affect the distribution of organisms in an aquatic habitat?
- A. Turbidity
- B. Depth of water
- C. Humidity
- D. Temperature
2284
Which of the following animals is cold blooded?
- A) cat
- B) lizard
- C) whale
- D) bird
2285
Which of the following animals is most adapted for water conservation?
- A. earthworms
- B. mammals
- C. flatworms
- D. insects
2286
In which of the following organic compounds is the hydrogen-oxygen ratio equal to 2:1?
- A. Proteins
- B. Carbohydrates
- C. Lipids
- D. Vitamins
2287
Which of the following serves as the brain box in man
- A.. skeleton
- B. skull
- C. head
- D. spinal column
2288
The thyroid gland is found at the base of the
- A. Midbrain
- B. Kidney
- C. Neck
- D. Liver
2289
Which of the following is a nitrifying bacterium
- A. Nitrobacter
- B. Rhizobium
- C. Azotobacter
- D. Clostribium
2290
Excess carbohydrates can be stored in the muscles in the form
- A. cellulose
- B. glycogen
- C. chitin
- D. lipids