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1.   Which type of mammalian muscles is voluntary (Answered)
Which type of mammalian muscles is voluntary .
Posted On:Wed 9, March 2022 09:52:07 am
2.   State two functions of intervertebral discs in mammalian skeleton (Answered)
State two functions of intervertebral discs in mammalian skeleton .
Posted On:Wed 9, March 2022 09:50:59 am
3.   State two functions of the pelvic girdle in mammals. (Answered)
State two functions of the pelvic girdle in mammals. .
Posted On:Wed 9, March 2022 09:49:32 am
4.   The diagram below shows how the iris and pupil of a human eye appear under different conditions. (a) Name the structures labeled X and Y (b)(i)State the condition that leads to the change in appearance shown in the diagram labeled B (ii) Describe the changes that lead to the appearance of the iris and pupil as shown in the diagram labeled B (iii) What is the significance of the changes described (Answered)
The diagram below shows how the iris and pupil of a human eye appear under different conditions. (a) Name the structures labeled X and Y (b)(i)State the condition that leads to the change in appearance shown in the diagram labeled B (ii) Describe the changes that lead to the appearance of the iris and pupil as shown in the diagram labeled B (iii) What is the significance of the changes described .
Posted On:Wed 9, March 2022 09:45:52 am
5.   The diagram below illustrates the arrangement of bones and muscles in the human arm. (i) Name the bones labeled K and L (ii) Explain how upward movement of the lower arm is brought about by bones and muscles shown in the diagram above. (Answered)
The diagram below illustrates the arrangement of bones and muscles in the human arm. (i) Name the bones labeled K and L (ii) Explain how upward movement of the lower arm is brought about by bones and muscles shown in the diagram above. .
Posted On:Wed 9, March 2022 09:39:50 am
6.   The diagram below represents features of a joint in a mammal . (a) Name the part labeled A (b) State the function of the part labeled B (Answered)
The diagram below represents features of a joint in a mammal . (a) Name the part labeled A (b) State the function of the part labeled B .
Posted On:Wed 9, March 2022 09:33:52 am
7.   The diagram below represents part of the human skeleton. (a) Name the part labeled P (b) (i) Name the bone that articulates with the part labeled Q (ii) What type of joint is formed between the part labeled Q and the bone named in (b) (i) above. (Answered)
The diagram below represents part of the human skeleton. (a) Name the part labeled P (b) (i) Name the bone that articulates with the part labeled Q (ii) What type of joint is formed between the part labeled Q and the bone named in (b) (i) above. .
Posted On:Wed 9, March 2022 09:31:30 am
8.   Give three functions of pectoral and pelvic fins in a fish. (Answered)
Give three functions of pectoral and pelvic fins in a fish. .
Posted On:Wed 9, March 2022 09:26:16 am
9.   The diagram below represents a bone from a mammal (a) Name the bone (b) Name the: (i) Bone which articulate with the bone named in (a) above at the cavity labeled K (ii) Joint formed by the two bones. (c) State the function of the part labeled J. (Answered)
The diagram below represents a bone from a mammal (a) Name the bone (b) Name the: (i) Bone which articulate with the bone named in (a) above at the cavity labeled K (ii) Joint formed by the two bones. (c) State the function of the part labeled J. .
Posted On:Wed 9, March 2022 09:25:27 am
10.   Why is movement necessary in animals. (Answered)
Why is movement necessary in animals. .
Posted On:Wed 9, March 2022 09:20:38 am
11.   Give three reasons in each case why support is necessary in (i) Plants (ii) Animals (Answered)
Give three reasons in each case why support is necessary in (i) Plants (ii) Animals .
Posted On:Wed 9, March 2022 09:19:43 am
12.   The diagram below shows two fused bones of a mammal. (a) Identify the fused bone (b) Name (i) Bone that articulates at the point labeled F (ii) The hole labeled G (Answered)
The diagram below shows two fused bones of a mammal. (a) Identify the fused bone (b) Name (i) Bone that articulates at the point labeled F (ii) The hole labeled G .
Posted On:Wed 9, March 2022 09:17:52 am
13.   The diagram below represents a tissue obtained from an animal (a) Identify the tissue b)State the function of the tissue named above (Answered)
The diagram below represents a tissue obtained from an animal (a) Identify the tissue b)State the function of the tissue named above .
Posted On:Wed 9, March 2022 09:12:52 am
14.   State two advantages of having an exoskeleton (Answered)
State two advantages of having an exoskeleton .
Posted On:Wed 9, March 2022 09:08:34 am
15.   State the functions of synovial fluid (Answered)
State the functions of synovial fluid .
Posted On:Wed 9, March 2022 09:07:32 am
16.   State the difference between ball and socket and hinge joint. (Answered)
State the difference between ball and socket and hinge joint. .
Posted On:Wed 9, March 2022 09:06:26 am
17.   Name the three type of muscles found in mammals and give an example each (Answered)
Name the three type of muscles found in mammals and give an example each .
Posted On:Wed 9, March 2022 09:05:15 am
18.   State the characteristic that is common to all cervical vertebrae (Answered)
State the characteristic that is common to all cervical vertebrae .
Posted On:Wed 9, March 2022 09:04:03 am
19.   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 bone together at the joint. (d) State the difference between ball and socket joint and the one illustrated in the diagram (Answered)
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 bone together at the joint. (d) State the difference between ball and socket joint and the one illustrated in the diagram .
Posted On:Wed 9, March 2022 09:03:10 am
20.   (a) Name the cartilage found between the bones for the vertebral column. (b) State the function of the cartilage named in (a) above (Answered)
(a) Name the cartilage found between the bones for the vertebral column. (b) State the function of the cartilage named in (a) above .
Posted On:Wed 9, March 2022 08:55:50 am
21.   A bone obtained from a mammal is represented by the diagram below. (a) Name the bone (b) Which born articulate with the bone shown in the diagram at the notch? (Answered)
A bone obtained from a mammal is represented by the diagram below. (a) Name the bone (b) Which born articulate with the bone shown in the diagram at the notch? .
Posted On:Wed 9, March 2022 08:54:19 am
22.   Name three types of skeletons found in multicellular animals (Answered)
Name three types of skeletons found in multicellular animals .
Posted On:Wed 9, March 2022 08:50:39 am
23.   Which type of joint is found at the articulation of (a) Pelvic girdle and femur (b) Humerus and ulna (Answered)
Which type of joint is found at the articulation of (a) Pelvic girdle and femur (b) Humerus and ulna .
Posted On:Wed 9, March 2022 08:49:55 am
24.   Give a reason why lumbar vertebrae have long and broad transverse process. (Answered)
Give a reason why lumbar vertebrae have long and broad transverse process. .
Posted On:Wed 9, March 2022 08:48:35 am
25.   The diagram below represents a mammalian bone. a)Name the bone (b) Name the type of the joint formed by the bone at its interior end with the adjacent bone. (Answered)
The diagram below represents a mammalian bone. a)Name the bone (b) Name the type of the joint formed by the bone at its interior end with the adjacent bone. .
Posted On:Wed 9, March 2022 08:47:09 am
26.   State three structural differences between biceps and muscles of the gut. (Answered)
State three structural differences between biceps and muscles of the gut. .
Posted On:Wed 9, March 2022 08:42:37 am
27.   Explain the evolutionary basis for the ever changing drugs for malaria treatment. (Answered)
Explain the evolutionary basis for the ever changing drugs for malaria treatment. .
Posted On:Wed 9, March 2022 05:59:50 am
28.   State the benefits of mutation in living organisms. (Answered)
State the benefits of mutation in living organisms. .
Posted On:Wed 9, March 2022 05:58:08 am
29.   Name the evidence of organic evolution exhibited by occurrence of similar amino acid molecules in a range of organisms. (Answered)
Name the evidence of organic evolution exhibited by occurrence of similar amino acid molecules in a range of organisms. .
Posted On:Wed 9, March 2022 05:56:48 am
30.   Explain why fossil records as evidence of organic evolution are usually incomplete? (Answered)
Explain why fossil records as evidence of organic evolution are usually incomplete? .
Posted On:Wed 9, March 2022 05:55:32 am
31.   What does the term evolution mean? (Answered)
What does the term evolution mean? .
Posted On:Wed 9, March 2022 05:53:40 am
32.   Give two illustrations of analogous structures in mammals. (Answered)
Give two illustrations of analogous structures in mammals. .
Posted On:Wed 9, March 2022 05:52:20 am
33.   Define the term analogous structures. (Answered)
Define the term analogous structures. .
Posted On:Wed 9, March 2022 05:51:00 am
34.   The diagrams below illustrates some forms of beaks in birds. (a) Which diagram represents the beak from which the others are likely to have evolved? b)Explain your answer in (a) above. (Answered)
The diagrams below illustrates some forms of beaks in birds. (a) Which diagram represents the beak from which the others are likely to have evolved? b)Explain your answer in (a) above. .
Posted On:Wed 9, March 2022 05:49:24 am
35.   State three methods of fossil formation. (Answered)
State three methods of fossil formation. .
Posted On:Wed 9, March 2022 05:43:02 am
36.   State two major advantages evolution has given human over most of the other animals. (Answered)
State two major advantages evolution has given human over most of the other animals. .
Posted On:Wed 9, March 2022 05:41:19 am
37.   State the significance of the evolution on the parietal bone in the chimpanzee and human skulls. (Answered)
State the significance of the evolution on the parietal bone in the chimpanzee and human skulls. .
Posted On:Wed 9, March 2022 05:38:54 am
38.   During a lesson, students observed the structure of bat, act and human forelimbs to determine their evolutionary relationship. (a)State the name given to the structure of the limbs observed by the students. (b)Name the type of evolution illustrated by the structure of the limbs observed. (c)What evidence of evolution is illustrated by the limbs? (d)State the significance of the type of evolution (Answered)
During a lesson, students observed the structure of bat, act and human forelimbs to determine their evolutionary relationship. (a)State the name given to the structure of the limbs observed by the students. (b)Name the type of evolution illustrated by the structure of the limbs observed. (c)What evidence of evolution is illustrated by the limbs? (d)State the significance of the type of evolution .
Posted On:Wed 9, March 2022 05:36:46 am
39.   Why are some bacteria able to resist the effect of antibiotics. (Answered)
Why are some bacteria able to resist the effect of antibiotics. .
Posted On:Wed 9, March 2022 05:32:22 am
40.   Name two vestigial structures in human beings. (Answered)
Name two vestigial structures in human beings. .
Posted On:Wed 9, March 2022 05:30:59 am
41.   Explain the role of continental drift in evolution? (Answered)
Explain the role of continental drift in evolution? .
Posted On:Wed 9, March 2022 05:29:22 am
42.   Explain the theory of evolution by natural selection. (Answered)
Explain the theory of evolution by natural selection. .
Posted On:Wed 9, March 2022 05:27:21 am
43.   State the evidence of evolution based on (i) Cell organelles (ii) Fossils (Answered)
State the evidence of evolution based on (i) Cell organelles (ii) Fossils .
Posted On:Wed 9, March 2022 05:25:33 am
44.   State the theories of evolution proposed by the following scientists. a)Charles Darwin ………. b)Jean-Baptise de Lamarck …………. (Answered)
State the theories of evolution proposed by the following scientists. a)Charles Darwin ………. b)Jean-Baptise de Lamarck …………. .
Posted On:Wed 9, March 2022 05:23:37 am
45.   State the importance of divergent evolution to organisms. (Answered)
State the importance of divergent evolution to organisms. .
Posted On:Wed 9, March 2022 05:19:15 am
46.   Explain how comparative embryology is an evidence for organic evolution (Answered)
Explain how comparative embryology is an evidence for organic evolution .
Posted On:Wed 9, March 2022 05:18:02 am
47.   State two limitations of fossils as an evidence of evolution. (Answered)
State two limitations of fossils as an evidence of evolution. .
Posted On:Wed 9, March 2022 05:16:11 am
48.   What is meant by convergent evolution? (Answered)
What is meant by convergent evolution? .
Posted On:Wed 9, March 2022 05:15:02 am
49.   Why is Lamarck’s theory not acceptable? (Answered)
Why is Lamarck’s theory not acceptable? .
Posted On:Wed 9, March 2022 05:13:20 am
50.   State two ideas proposed by Lamarck’s in his theory of evolution. (Answered)
State two ideas proposed by Lamarck’s in his theory of evolution. .
Posted On:Wed 9, March 2022 05:12:14 am
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