Biology
Given below are sets of five terms each. Rewrite the terms in correct order in a logical sequence.
Example: Large intestine, Stomach, Mouth, Small intestine, Oesophagus.
Answer: Mouth → Oesophagus → Stomach → Small intestine → Large intestine.
(i) Fibrin, Platelets, Thromboplastin, Fibrinogen, Thrombin.
(ii) Cochlea, Malleus, Pinna, Stapes, Incus.
(iii) Receptor, Spinal cord, Effector, Motor neuron, Sensory neuron.
(iv) Uterus, Parturition, Fertilisation, Gestation, Implantation.
(v) Caterpillar, Snake, Owl, Frog, Green leaves.
Sense Organs
ICSE 2017
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Answer
(i) Platelets → Thromboplastin → Thrombin → Fibrinogen → Fibrin.
(ii) Pinna → Malleus → Incus → Stapes → Cochlea.
(iii) Receptor → Sensory neuron → Spinal cord → Motor neuron → Effector.
(iv) Fertilisation → Uterus → Implantation → Gestation → Parturition.
(v) Green leaves → Caterpillar → Frog → Snake → Owl.
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The statements given below are incorrect. Rewrite the correct statement by changing the underlined words of the statements.
(i) The Graafian follicle, after ovulation turns into a hormone producing tissue called Corpus callosum.
(ii) Deafness is caused due to the rupturing of the Pinna.
(iii) Gyri and Sulci are the folds of Cerebellum.
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(v) The solvent used to dissolve the chlorophyll pigments while testing a leaf for starch is Soda lime.
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(i) Aqueous humour, Vitreous humour, Iris, Central canal
(ii) Formalin, Iodine, DDT, Lime
(iii) ACTH, TSH, ADH, FSH
(iv) Phosphate, RNA, Sugar, Nitrogenous base
(v) Bile, Urea, Uric acid, Ammonia
Given below are groups of terms. In each group the first pair indicates the relationship between the two terms. Rewrite and complete the second pair on a similar basis.
Example: Oxygen : Inspiration : : Carbondioxide : Expiration
(i) Eye : Optic nerve : : Ear : ……………
(ii) Cytoplasm : Cytokinesis : : Nucleus : ……………
(iii) TT : Homozygous : : Tt : ……………
(iv) Foetus : Amnion : : Heart : ……………
(v) Adenine : Thymine : : Cytosine : ……………