Mastering KCSE Biology with Comprehensive Topical Questions and Answers
K.C.S.E Biology Q & A - MODEL 2010PP1QN26
State one survival value for each of the following in plants:
(a) Thigmotropism in stems; (b) Geotropism in roots.
answers
(a) Provides support;
Enables plants to grow towards light; Any one (b) In search of nutrients Anchorage;
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K.C.S.E Biology Q & A - MODEL 2010PP1QN21
The diagram below represents part of the human skeleton.
(a) Name the part labelled P.
(b) (i) Name the bone that articulates with the part labelled Q. (ii) What type of joint is formed between the part labelled Q and the bone named in (b)(i) above? .
answers
(a) P sutures;
(b) (i) Atlas; (ii) Hinge joint; K.C.S.E Biology Q & A - MODEL 2009PP1QN12
The diagram below represents a bone obtained 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
ANSWERS
(a) scapula;
(b) (i) Humerus (ii) Ball and socket joint (c) Attachment of muscles
K.C.S.E Biology Q & A - MODEL 2008PP2QN04
Why is movement necessary in animals
answers
K.C.S.E Biology Q & A - MODEL 2008PP2QN04
Give three reasons in each case why support is necessary in
(i) Plants (ii) animals
answers
(i) Plants
K.C.S.E Biology Q & A - MODEL 2008PP1QN30
The diagram below shows two fused bones of a mammal
(a) Identify the fused bone
(b) Name the (i) Bone that articulates at the point labelled F (ii) The hole labelled G
ANSWERS
(a)Pelvic girdle
(b) (i) Femur (ii) Obturatar foramen.
K.C.S.E Biology Q & A - MODEL 2007PP2QN04
State two advantages of having an exoskeleton
answers
K.C.S.E Biology Q & A - MODEL 2007PP2QN04.
State the functions of synovial fluid
answers
K.C.S.E Biology Q & A - MODEL 2007PP2QN04
State the difference between ball and socket and hinge joint
answers
Name the three type of muscles found in mammals and give an example of where each of them is found21/6/2020
K.C.S.E Biology Q & A - MODEL 2007PP2QN04
Name the three type of muscles found in mammals and give an example of where each of them is found
K.C.S.E Biology Q & A - MODEL 2007PP1QN24
Name two tissues in plants that provide mechanical support
ANSWERS
K.C.S.E Biology Q & A - MODEL 2007PP1QN24
State a characteristics that is common to all cervical vertebrae
ANSWER
K.C.S.E Biology Q & A - MODEL 2007PP1QN23
What is thigmotropism?
ANSWER
K.C.S.E Biology Q & A - MODEL 2006PP2QN01
The diagram below represents bones at a joint found in the hind limb of a mammal.
a) Name the bones labeled XY 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.
answers
​(a) X- Femur
Y- Tibia Z- Fibula (b) (i) Synovial fluid (ii) Lubrication of the joint/ shock absorption Distribution of pressure (c) Ligament (d) Ball and socket joint allows movement in all planes while the illustrated allows movement in one plane only. Accept 3600 for all planes 1800 for one plane. (e) Olecranon process.
K.C.S.E Biology Q & A - MODEL 2004PP1QN01
State the function of the cartilage named in (a) above
answers
K.C.S.E Biology Q & A - MODEL 2004PP1QN01
Name the cartilage found between the bones of the vertebral column
answer
K.C.S.E Biology Q & A - MODEL 2003PP1QN15
A response exhibited by a certain plant tendril is illustrated below.
​a) i) Name the type of response
ii) Explain how the response named in (a)(i) above occurs b) What is the importance of tactic responses to microscopic plants? c) State four applications of plant hormones in agriculture.
answers
a) i) Thigmotropism / haptotropism
ii) Contact with support; causes migration of auxine to enter the side; causing faster growth on the side away from centre of surface (causing tendrils curl around support.) b) Escape injurious stimuli / seek favorable habitats; move towards light / stimuli. c) Induce foot growth in stem cutting
K.C.S.E Biology Q & A - MODEL 2003PP1QN05
A bone obtained from a mammal is represented by the diagram below.
​a) Name the bone.
b) Which bones articulate with the bone shown in the diagram at the notch?
answers
a) Ulna
b) radius; Humerus;
K.C.S.E Biology Q & A - MODEL 2002PP1QN20b
Describe how the cervical, lumbar and sacral vertebrae are suited to their functions.
answers
​ Cervical vertabrae
K.C.S.E Biology Q & A - MODEL 2002PP1QN20
Name three types of skeletons found in multicellular animals
answers
K.C.S.E Biology Q & A - MODEL 2002PP1QN08
Which type of joint is found at the articulations of
a) Pelvic girdle and femur b) Humerus and ulna
answers
a) Ball and socket
b) Hinge
​K.C.S.E Biology Q & A - MODEL 2000PP1QN06
Give a reason why lumbar vertebrae have long and broad transverse process
answers
K.C.S.E Biology Q & A - MODEL 1998PP1QN09
What makes young herbaceous plant remain upright?
ANSWERS
K.C.S.E Biology Q & A - MODEL 1998PP1QN07
The diagram below represents a mammalian bone
​(a) Name the bone
(b) Name the type of the joint formed by the bone at its anterior end with the adjacent bone
ANSWERS
(a) Femur
(b) Ball and socket |
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