NAT I Medical Biology With Answers

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NAT I Medical Biology

Sr. # Questions Answers Choice
1 Which of the following substances provide energy to the body Carbohydrates Fats Amino acids All of above
2 Any substance that supplies the body with elements necessary for metabolism is called Nutrition Excretion Respiratory substance Circulatory substance
3 The instrument that is used ti measure the relative abilities of different pigments to absorb different wavelengths of light is Viscometer Thermometer Spectrophotometer Electrometer
4 Chloroplasts is a Single membrane structure Double membrane structure Triple membrane structure None
5 Chloroplasts are present mainly in Epidermis Mesophyll tissues Stoma Vascular bundle
6 Photosynthesis occurs only during Day Night Day and night Evening
7 Respiration in plants occurs only Day Night Day and night Day & evening
8 During the photosynthetic reactions what are the products Water and light Carbon-dioxide & light Glucose and oxygen All of above
9 The process of photosynthesis in green plants in CO<sub>2</sub> + O<sub>2</sub> +light&nbsp;→ CHO +6O<sub>2</sub> +6H<sub>2</sub>O 6CO<sub>2</sub> +12H<sub>2</sub>O +light&nbsp;→ C<sub>6</sub>H<sub>12</sub>O<sub>6</sub>+ 6O<sub>2</sub> +6H<sub>2</sub> 6CO<sub>2</sub> +12H<sub>2</sub>O&nbsp;→ C<sub>6</sub>H<sub>12</sub>O<sub>6</sub> + 6O<sub>2</sub> +6H<sub>2</sub>O None
10 The process in which energy-poor inorganic oxidized compounds of carbon and hydrogen are reduced to energy rich carbohydrates using the light energy is called Evaporation Transpiration Respiration Photosynthesis
11 Which organelle of the plants capture light energy coming from sun Mitochondria Cell wall Chloroplasts Ribosomes
12 The quantitative study of energy relationships and energy conversions in biological system is called Bioenergetics Biotechnology Biochemistry Molecular biology
13 In porifera the food enters the spongocoel cavity through the Osculum Outer wall Ostia None
14 Which of the following statement about Porifera is not true There are respiratory and circulatory organs Pores are present in the body wall Water enters the body through ostia Water leaves the body through osculum
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