1. Destruction of embryo by pests and diseases
2. Long storage leading to depletion of reserved food
raphael answered the question on September 13, 2017 at 11:38
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Give a reason why mammalian lungs are enclosed in an air-tight pleural membrane
(Solved)
Give a reason why mammalian lungs are enclosed in an air-tight pleural membrane
Date posted:
September 13, 2017
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Answers (1)
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Why do guard cells lie in close association with epidermal cells?
(Solved)
Why do guard cells lie in close association with epidermal cells?
Date posted:
September 13, 2017
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Answers (1)
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Why is birth spacing important?
(Solved)
Why is birth spacing important?
Date posted:
September 13, 2017
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Answers (1)
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Which cell organelles would be high number in (i) Enzyme secreting cell (ii) Rapidly respiring cell
(Solved)
Which cell organelles would be high number in (i) Enzyme secreting cell (ii) Rapidly respiring cell
Date posted:
September 12, 2017
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Answers (1)
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Give the meaning of the following terms (i) Hypogynous flower (ii) Pistillate flower
(Solved)
Give the meaning of the following terms (i) Hypogynous flower (ii) Pistillate flower
Date posted:
September 12, 2017
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Answers (1)
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Apart from glucose, give two other products formed during dark stage of photosynthesis
(Solved)
Apart from glucose, give two other products formed during dark stage of photosynthesis
Date posted:
September 12, 2017
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Answers (1)
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Briefly explain what happens during the light stage of photosynthesis
(Solved)
Briefly explain what happens during the light stage of photosynthesis
Date posted:
September 12, 2017
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Answers (1)
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State two adaptations of tracheal system in insect to its functions
(Solved)
State two adaptations of tracheal system in insect to its functions
Date posted:
September 12, 2017
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Answers (1)
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Discuss the motor sensory and perceptual development of a child
(Solved)
Discuss the motor sensory and perceptual development of a child
Date posted:
September 7, 2017
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Answers (1)
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Name the blood vessel that transports blood from cardiac muscles to vena cava
(Solved)
What is the name of the blood vessel that transports blood from cardiac muscles to vena cava?
Date posted:
September 5, 2017
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Answers (1)
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Name the blood vessel that transports blood from small intestine to the liver
(Solved)
What is the name given to the blood vessel that transports blood from small intestine to the liver?
Date posted:
September 5, 2017
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Answers (1)
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The diagram below represents bones at a joint found in the hind limb of a mammal.
(Solved)
The diagram below represents bones at a joint found in the hind limb of a mammal.
(a) Name the bones labeled X, Y and Z
(b) (i) Name the substance found in the place labeled W.
(ii) State the function of the substance named in (b) (i) above.
(c) Name the structure that joins the bones together at the joint.
(d) State the differences between ball and socket joint and the one illustrated in the diagram above.
(e) Name the structure at the elbow that performs the same function as the same function as the patella.
Date posted:
May 26, 2017
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Answers (1)
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State the characteristics that is common to all cervical vertebrae.
(Solved)
State the characteristics that is common to all cervical vertebrae.
Date posted:
May 26, 2017
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Answers (1)
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Name the type of skeleton that makes up each of the following animals:
(a) locust (b) bird
(Solved)
Name the type of skeleton that makes up each of the following animals:
(a) locust (b) bird
Date posted:
May 26, 2017
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Answers (1)
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State two functions of intervertebral discs in the mammalian skeleton.
(Solved)
State two functions of intervertebral discs in the mammalian skeleton.
Date posted:
May 26, 2017
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Answers (1)
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The diagram below represents a mammalian pelvic girdle.
(Solved)
The diagram below represents a mammalian pelvic girdle.
(a) State the function of obturator foramen.
(b)(i) Name the bone that articulates with the pelvic girdle at acetabulum.
(ii) Name the type of joint formed by the acetabulum and the bone named in (c) above
(c) Name a bone formed by the fusion of caudal vertebrae in human beings.
Date posted:
May 26, 2017
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Answers (1)
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State two functions of pelvic girdle in mammals.
(Solved)
State two functions of pelvic girdle in mammals.
Date posted:
May 26, 2017
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Answers (1)
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(a) State two features of a ball and socket joint.
(b) Name the bone that allows the head to: (i) node; (ii) turn side ways
(Solved)
(a) State two features of a ball and socket joint.
(b) Name the bone that allows the head to: (i) node; (ii) turn side ways
Date posted:
May 26, 2017
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Answers (1)
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The diagram below illustrates the arrangement of bones and muscles in the human arm.
(Solved)
The diagram below illustrates the arrangement of bones and muscles in the human arm.
(i) Name the bones labelled K and L.
(ii) Explain how the upwards movement of the lower arm is brought about by the bones and muscles shown in the diagram above.
Date posted:
May 26, 2017
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Answers (1)
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The diagram below represents features of a joint in a mammal.
(Solved)
The diagram below represents features of a joint in a mammal.
(a) Name the part labelled A.
(b) State the function of the part labelled B.
Date posted:
May 26, 2017
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Answers (1)