Biology Questions and Answers For Groups
- 1. The plant dye Henna imparts orangered colour to skin and hairs due to its reaction with which of the following?
A.)
Carbohydrates
B.)
Amino acids
C.)
Protein and amino acids
D.)
Lipids
Answer: Option 'C'
Protein and amino acids
- 2. Name the blood cells in which nucleus is absent
A.)
Monocytes
B.)
Blood Platelets
C.)
Lymphocytes
D.)
Eosinophils
Answer: Option 'B'
​Blood Platelets
- 3. Animal without red blood cells
A.)
Earthworm
B.)
Snake
C.)
Peacock
D.)
Frog
Answer: Option 'A'
​Earthworm
- 4. The phenomenon of summer sleep by animals is called
A.)
laziness
B.)
aestivation
C.)
hibernation
D.)
lethargy
Answer: Option 'B'
Aestivation is summer sleep. Many organisms like the snails do not find it comfortable in summer. They withdraw and lead a life with reduced BMR (basic Metabolic Rate) in a state of dormancy.
- 5. The human heart is
A.)
Pulsating heart
B.)
Myogenic heart
C.)
Ampullary heart
D.)
Neurogenic heart
Answer: Option 'B'
​Myogenic heart
Hearts are of several types. In some invertebrates the heart is simulated by the nervous system to do its work. Such hearts are called Neurogenic hearts. The Human heart is myogenic. i.e, it recieves the stimuli for contraction from the muscular node called sinu-auricular node or pace maker.
- 6. Who is known as father of Zoology
A.)
Lamark
B.)
Aristotle
C.)
Darwin
D.)
Theophrastus
Answer: Option 'B'
​Aristotle
- 7. Spermology is the study of
A.)
Fruit
B.)
Seed
C.)
Leaf
D.)
Pollen grain
Answer: Option 'B'
​Seed
- 8. 13 - Chambered heart occurs in
A.)
Snail
B.)
Cockroach
C.)
Earthworm
D.)
Leech
Answer: Option 'B'
​Cockroach
- 9. The energy released by 1 gram of glucose is
A.)
3kcal
B.)
4 kcal
C.)
6 kcal
D.)
5 kcal
Answer: Option 'B'
​4 kcal
- 10. The corner of the cells of collenchyma tissue in plant are thickened due to deposition of _____
A.)
Cellulose and pectin
B.)
Chitin and lignin
C.)
Suberin and cutin
D.)
Lignin and suberin
Answer: Option 'A'
Cellulose and pectin
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