The cone in the retina of eye is an example of
- A. cell
- B. tissue
- C. organ
- D. system
Loamy soil is characterized by
- A. low humus and high porosity
- B. high humus and high porosity
- C. moderate humus and low porosity
- D. high humus and moderate porosity
The organisms that adopt swarming as an adaptation to overcome overcrowding are
- A. Agama lizard
- B. tilapia
- C. rats
- D. termites
The number of vertebrae in the human vertebral column is
- A. 30
- B. 33
- C. 38
- D. 39
The schlerenchyma tissues consist of
- A. dead cell
- B. living cell
- C. tracheid cell
- D. meristematic cell
The part of the kidney where the selective reabsorption takes place is
- A. glomerulus
- B. Bowman's capsule
- C. Henle's loop
- D. urethra
A common component of blood and lymph is
- A. fats
- B. plasma
- C. red blood cell
- D. white blood cell
An instrument used for measuring the intensity of light
- A. thermometer
- B. photometer
- C. anemometer
- D. hygrometer
Which of the following conditions causes aestivation in animals?
- A. Wind
- B. Drought
- C. Rain
- D. Cold
The main excretory product of earthworm is
- A. ammonia
- B. carbon dioxide
- C. urea
- D. uric acid
The bacteria in the large intestine of man synthesizes
- A. vitamins and minerals
- B. vitamins and glucose
- C. amino acids and vitamins
- D. amino acids and minerals
Use the diagram to answer the question that follows
The flower of plants belongs to part labelled
- A. I
- B. II
- C. III
- D. IV
Cell division that involves the growth, development, repairs and replacement of worn out tissues is
- A. biosynthesis
- B. mitosis
- C. meiosis
- D. synthesis
Body temperature, thirst and hunger are regulated by
- A. thalamus
- B. hypothalamus
- C. medulla oblongata
- D. spinal cord
Use the diagram above to answer the question that follows
What is the genotypic ratio of the offspring produced in F\(_1\) generation?
- A. 2:1:1
- B. 1:2:1
- C. 2:2
- D. 3:1
How many chromosomes will be present in a gamete if the somatic cell has 8 chromosomes?
- A. 16
- B. 6
- C. 4
- D. 8
Lamarck’s theory of evolution is based on the idea of
- A. the inheritance of acquired traits
- B. organisms' survival of the fittest
- C. organisms constantly struggling for existence
- D. plenty offspring produced by organisms
Use the diagram above to answer the question that follows
The part labelled III is
- A. abdomen
- B. head
- C. maxillae
- D. thorax
A form of adaptive colouration that helps animals to remain unnoticed is
- A. hibernation
- B. aestivation
- C. countershading
- D. migration
An example of organism that exhibits counter-shading to escape from its predator is
- A. grasshopper
- B. toad
- C. fish
- D. chameleon
Blood group AB is considered as universal recipient because they can receive blood from groups
- A. A and O
- B. B and O
- C. AB and O
- D. A, B, AB and O