Give the biological/technical terms for the following: (a) The tropic movement wherein the tendrils of a pea plant twine around a support. (b) A defect in our eye in which some parts of the object are in focus while the other parts are blurred. (c) The type of waste generated in hospitals and pathological laboratories. (d) The surgical technique for females that can be used to prevent pregnancy. (e) The evolutionary process by which new species arise from the existing one.

Sunil tried to match the tropic movements in plants with the stimulus they respond to. Tropism Stimulus P Thigmotropism Touch Q Geotropism Water R Chemotropism Chemicals S Phototropism Gravity Identify the correct pair: (a) P and R (b) Q and S (c) R and S (d) P and S

Name the following: (a) Unicellular outgrowths of the epidermis of roots. (b) The defect of the eye in which some parts of an object are focused while other parts appear blurred. (c) The tropic movement in response to chemicals. (d) The main nitrogenous waste in the human body. (e) The attachment of the fertilized ovum to the wall of the uterus.

Ali has some pea plants in his garden which need a support to grow as seen in the picture given below: (a) Name the phenomenon depicted by the shoot in the given figure. (b) Define the above phenomenon. (c) Write the name of the part marked X.

Choose the odd one out from the following terms and name the category to which the others belong: (a) Auxin, Oxytocin, Gibberellin, Cytokinin (b) Growth Hormone, Vasopressin, Thyroid Stimulating Hormone, Gonadotropic Hormone (c) Urochrome, Urea, Uric acid, Nucleic acid (d) Cervix, Chordae Tendinea, Papillary Muscles, Sinoatrial node (e) Morula, Blastocyst, Oviduct, Foetus

Name the following: (i) The organelle that forms the aster during cell division. (ii) A genetic disorder in which the blood does not clot. (iii) The permanent stoppage of menstruation in human females around the age of 45 years. (iv) The openings on the barks of trees through which transpiration occurs. (v) A gaseous plant hormone which promotes ripening of fruits.

Study the diagram given below and answer the questions that follow: (a) Name the phenomenon depicted by the shoot in the above diagram. (b) Which plant hormone plays an important role in the above movement? (c) Complete and rewrite the given statement by filling in the correct terms: Shoots show positive ............... whereas, roots show positive ............... .

Ramesh is a farmer who has a vineyard and cultivates grapes. To improve the shape of the grapes and make them elongated he sprays a particular phytohormone at the time of fruiting. (a) Name the phytohormone that Ramesh sprays on the plant at the time of fruiting. (b) These grapes are said to be seedless. What is the technical term for the formation of such fruits?

A family has a history of colour blindness. During genetic testing, it was found that the mother is a carrier of colour blindness (XCX) and the father has normal vision (XY). What is the probability of their sons being colour-blind? (a) 25% (b) 50% (c) 75% (d) 0%

Bharat woke up late in the morning and missed the school bus. This situation stimulated the nerves of the sympathetic system which resulted in (a) Constriction of Coronary arteries (b) Muscle relaxation (c) Decrease in Respiration rate (d) Bronchodilation

Assertion (A): Leukoderma is the biological term for blood cancer. Reason (R): An abnormal increase in the number of WBCs causes blood cancer. (a) (A) is true and (R) is false. (b) (A) is false and (R) is true. (c) Both (A) and (R) are true and (R) is the correct explanation of (A). (d) Both (A) and (R) are true and (R) is not the correct explanation of (A).

Varun's mother added plenty of salt to the mango pickle she made. This is to: A. enhance the colour of the pickle. B. inhibit the growth of microorganisms. C. increase the nutritional value. D. create a hypertonic solution. (a) A and C (b) B and C (c) C and D (d) B and D