Q. Which of the following organism is a colonial form?
1) Amoeba
2) Chlamydomonas
3) Polysiphonia
4) Volvox
Q. The element that is not found in blood is -
1) Iron
2) Chromium
3) Copper
4) Magnesium
Q. The release of which of the following into ponds and wells helps in controlling mosquitoes?
1) Snail
2) Crab
3) Dogfish
4) Gambusia fish
Q. Excretory organ of cockroach is -
1) Nephridia
2) Malpighian tubules
3) Malpighian Corpuscles
4) Kidney
Q. The lens of the eye is behind the -
1) Retina
2) Optic nerve
3) Pupil
4) Vitreous human
Q. A biome is -
1) A collection of rare plants and animals
2) A delimited area
3) A group of plants growing in the particular area
4) A large collection of flora and fauna occupying a major habitat.
Q. Loss of water in plants in the form of liquid is known as -
1) Transpiration
2) Imbibition
3) Osmosis
4) Guttation
Q. The teeth lacking in Herbivorous animals is -
1) Canine
2) Premolar
3) Molar
4) Incissor
Q. Hiccups in human generally occur due to the forceful downward shifting of the -
1) diaphragm
2) trachea
3) lungs
4) larynx
Q. In normal cells, the process of the flow of genetic information from DNA to RNA is called -
1) Transportation
2) Transcription
3) Translocation
4) Translation
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