2) In plant, cell wall is mainly composed of____(chitin/cellulose/protein).
3) Nucleus was discovered by_____( Robert Hooke/ Robert brown/ MJ Scleiden).
4) Fruits is the ripened ____(overy/bud/stamen ).
5) Calyx and Corolla constitute the ____in a flower.(essential whorls/ accessory whorls /receptacle )
6) _____necessary for fertilization.(callyx/bud/ pollution)
7) Modified hairy calyx in sunflower is called _____.(pappus/keel/ray floret)
8) In Ginger, the stem modification called ___is used for vegetative multiplication. ( Tuber/rhizome/bulb)
9) In a bryophyllum, vegetative multiplication takes place by the ___.(leaves/ stem/ root)
10) In rose, vegetative propagation is artificially brought about by____.( root cutting/ stem cutting/ layering )
11) The technique of producing generatically identical individuals from single cell is called ____(cloning/ grafting/ tissue culture)
12) A large number of disease-- free plants can be produced in a very short time using the technique of ____.(micropropagation/ grafting/cutting)
13) A flower having both the reproductive organ is called____.(bisexual/ complete/dioecious )
14) When a flower can be divided to equal halves through one plane only, the flower is said to be____.( actinomorphic/zygomorphic /irregular)
15) A unisexual flower that has only stamens is called ___.(staminate/bicarpellary/syncarpous)
16) Thalamus is the expanded part of ___.(pedicel /filament/ style)
17) Petals and sepals collectively are called as____.(perianth/bisexual/tepal)
18) Cross pollination takes place in all____ plants(monocious/dioecious )
19) Bougainville flowers pollinated by____. (wind/insects/ water)
20) Double fertilization is common in____.( gynosperms/angiosperms)
21) Salvia is a ____flower.(entomophilous/ornithophilous/hydrophilous)
22) After fertilization, the ____becomes the fruit and the ___becomes the seed.(ovule/ovary/integuments)
23) The non-endospermic seeds are also called as ____.(aluminous/excelluminous)
24) The inner layer of the seed coat is called____.(testa/tegman)
25) The plumule of the seed gives rise to_____.(shoot /root)
26) The germination in gram seeds is _____and that a bean seed is____( hypogeal/ epigeal/viviparous)
27) Caruncle is found in the seed of ______.(castor/pea)
28) Germination in Rhizophora is_____.(viviparous /epigeal)
29) The upper part of the embryo axis is called the _____.(radical/plumule/
30) In_____germination, the cotyledons remain under or just on the surface of the soil.(hypogeal/epigeal)
31) Bacteria were first discovered by_____.(Pasteur /Leeuwenhoek/Koch)
32) A cell wall is____in bacteria.( present/absent )
33) Botulism is caused by a species of____.(Clostridium /rhizobium/Acetobacter)
34) Rhizopus is_____ in Nutrition.( saprophytic/ parasitic)
35) short, incomplete, spiral, bacteria are called _____.(Vibrio/spirilla/cocci)
36) Class Amphibia includes____animals,( aquatic/terrestrial/ amphibian)
37) Class mammalia includes animals with ____.(poison/ glands /mammary glands/ parotid glands)
38) Metazoa includes _____animals,(unicellular/bicellular/ multicellular)
39) Insects have ____pairs of legs.(2/3/6)
40) _____of lungs is the volume of air that can be taken in and expelled by maximum insipiration and expiration.(vital capacity/ total lung capacity/ tidal volume )
41) The respiratory centre is located in the____.( cerebrum/ cerebellum/medulla oblongata )
42) Nasal passage is lined by____.( flagella.ciliated epithelium/cilia)
43) Exchange of air takes place between capillaries and ____.(alveoli/ bronchi/trachea)
44) Respiration is a____ process.( physical/chemical/biochemical)
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