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Get from here latest Biology Questions And Answers given in MCQ format. Well, biology is quiet a tough subject so to make students understand it in better way, we have presented here biology mock test questions along with online quiz. Try to solve the below given Biology online quiz and check your answers.

These Questions and Answers will surely help you to gain better knowledge of important topics frequently asked in exam. So aspirants are suggested to attempt the below mock test and get an idea of your preparation by analyzing your performance at you own end. So have a look on below Biology quiz and start your preparation by today only!

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Biology Questions And Answers

Question 1 Aspirin originates from?

1. Acacia
2. Eucalyptus
3. Oak tree
4. Willow bark

Answer: 4

Question 2 Nutrients received by the plants from:

1. chlorophyll
2. atmosphere
3. Clight
4. Soil

Answer: 4

Question 3 Which of the following is not performed by bones?

1. Place for muscle attachment
2. Protection of vital organs
3. Secretion of hormones for calcium regulation in blood and bones
4. Production of blood corpuscles

Answer: 3

From Here: Microbiology Questions and Answers Download

Question 4 __________ Plants are grow in saline water.

1. Mesophytes
2. Thallophytes
3. Halophytes
4. Hydrophytes

Answer: 3

Question 5 Pyorrhea is a disease of the Gums

1. True
2. False

Answer: 1

Question 6 The color of carrot is orange because of:

1. The entire plant is orange in color
2. It contains carotene
3. It grows in the soil
4. It is not exposed to sunlight

Answer: 2

Question 7 Pollination refers to:

1. Visiting flowers by insects
2. Transfer of pollen from anther to stigma
3. Germination of pollen grains
4. Growth of pollen tube in ovule

Answer: 2

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Question 8: During photosynthesis

1. Light reactions photophosphorylate ADP, while the Calvin cycle produces ATP.
2. The Calvin cycle produces both sugar and O2.
3. Light reactions produce sugar, while the Calvin cycle produces O2.
4. Light reactions produce NADPH and ATP, while the Calvin cycle produces sugar.

Answer: 4

Question 9 What do you mean by Ozone hole?

1. Decrease in thickness of ozone layer in stratosphere
2. Increase in the thickness of ozone layer in troposphere
3. Hole in ozone layer
4. Decrease in the ozone layer in troposphere

Answer: 1

Question 10 Heterosis is responsible for the process of cell division?

1. True
2. False

Answer: False

Question 11 Which of the following is known as highly intelligent mammals?

1. Kangaroos
2. Dolphins
3. Elephants
4. Whales

Answer: 2

Question 12 Which of the following is the largest part of the human brain?

1. Mid-brain
2. Cerebrum
3. Medulla oblongata
4. Cerebellum

Answer: 2

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Question 13 Pigmentation of skin is due to

1. Monocytes
2. Leucocytes
3. Melanocytes
4. Lymphocytes

Answer: 3

Question 14 Norepinephrine increases Blood pressure?

1. True
2. False

Answer: 1

Question 15 Night blindness due to lack of which vitamin:

1. Vitamin D
2. Vitamin C
3. Vitamin A
4. Vitamin B

Answer: 3

Question 16 Monocot root differs from dicot root in having

1. Open vascular bundles
2. Scattered vascular bundles
3. Well developed pith
4. Radially arranged vascular bundles

Answer: 3

Question 17 Most common disease of poultry in India is

1. Ranikhet
2. Tick fever
3. Coryza
4. Fowl pox

Answer: 1

Question 18 Most abundant tissues of our body are

1. Muscular
2. Connective
3. Epithelial
4. Nervous

Answer: 2

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Question 19 Mumps disease is caused by:

1. Virus
2. Fungus
3. Bacterium
4. None of these

Answer: 1

Question 20 what function is performed by hemoglobin ?

1. Utilization of energy
2. Prevention of anemia
3. To transport oxygen
4. Destruction of bacteria

Answer: 3

Question 21. For which among the following is not a true fruit?

1. Apple
2. Date
3. Grape
4. Plum

Answer: 4

Question 22. Which of the following is least infectious ?

1. Leprosy
2. Hepatitis
3. Tuberculosis
4. conjunctivitis

Answer: 1

Question 23. Which of the following is not a mosquito borne disease?

1. Dengue fever
2. Malaria
3. Sleeping sickness
4. Filariasis

Answer: 3

Question 24. In certain amino acids, which one of the following elements is found in addition to carbon , hydrogen, nitrogen and oxygen?

1. Phosphorus
2. Zinc
3. Calcium
4. Sulphur

Answer: 4

Question 25. Among the following elements, which one is essential for the transmission of impulses in the nerve fibre?

1. Calcium
2. Iron
3. Sodium
4. Zinc

Answer: 1

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