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What is haemophilia and causes symptoms
1. For each of the'itemS (i)- (x) choose the correct answer from among the given alternatives and write its letter beside the item number.
(i) The structure that prevents food from entering the wind pipe is
C Soft palate
(ii) Organisms are classified on the bases of their
A mode of feeding
B similarities and differ.ences
C type of movement
D ..advantages and disadvantages
E homologous and analogous characters.
(iii) Which one of the following types of vertebrate muscles would you find in the heart?
A Smooth muscle
B Cardiac muscle
C Striated muscle
D Skeletal muscle
E Voluntary muscle.
(iv) . Amoeba moves by
A producing pseudopodia
B using cilia
C using flagella
D the flow of ectoplasm
E producing limbs.
(v) Which one of the following hormones controls reabsorption of water from the urinary tubules when the amount of water in the blood is below normal.
B Internizing hormone
D Anti-diuretic hormone
(vi) A neurone that carries sensory information towards the central nervous system is called
B Efferent neurone
C Efferent neurone
D Motor neurone
E Relay neurone
(vii) The following is not true about viruses.
A They attack living cells
B Multiply rapidly inside living cells
C They are easy to destroy
D They spread through the air
E They cause diseases
(viii) During cold weather shivering occurs in a mammal's body in order to
A shake off coldnes
B generate heat
C produce sweat
D relax the muscles
E exercise the muscles
(ix) Pure breeding tall pea plants are crossed with pure breeding short pea plants. The resulting offspring (F 1) are tall. Which terms describe the F 1 generation?
A Heterozygous, with shortness dominant
B Heterozygous, with tallness dominant
C Homozygous dominant
D Homozygous recessive
E Heterozygous, with incomplete dominance
(x) Which of the following is correct for someone with a nose bleed?
A To move around with their head lifted up
B To sit with their head tilted on one side
C To sit quietly with their head in an upright position
D To sniff in between intervals and sit with their head tipped forward
E To sit with their head tipped forward