Biology - Online Test
Q1. Choose the odd one out among the following: Dryopteris, Pteris, Adiantum, Selaginella.
Answer : Option C
Explaination / Solution:
Selaginella belong to class Lycopsida and other plants (Dryopteris, Pteris, Adiantum) belong to class Pteropsida of Pteridophytes.
Q2. Golgi apparatus are the site for formation of
Answer : Option B
Explaination / Solution:
Golgi apparatus is the important site of formation of glycoproteins and glycolipids.
Q3. Which structure of pigeon is used as a rudder during flight?
Answer : Option A
Explaination / Solution:
No Explaination.
Q4. What is not true for genetic code?
Answer : Option B
Explaination / Solution:
Genetic code is unambiguous, universal and degenerate. Codon in mRNA is read in contiguous fashion without any gap. There are no punctuations during reading of Codon.
Q5. Exchange of gases in lung alveoli occurs through
Answer : Option C
Explaination / Solution:
No Explaination.
Q6.
The excitation of electrons,finally down-hill to causing it to be reduced to is called as
Answer : Option C
Explaination / Solution:
Excitation of electrons, transfer to another accepter, and finally down-hill to causing it to be reduced to is called the Z scheme.
Q7. The condition favourable for dissociation of oxygen from oxyhaemoglobin in the tissues is
Answer : Option A
Explaination / Solution:
In tissues, low , high , high concentration and higher temperature exist,the conditions are favourable for dissociation of oxygen from the oxyhaemoglobin.
Q8. “Blue revolution” is related to
Answer : Option D
Explaination / Solution:
Blue revolution is related to fish production. This revolution is brought about by using aquaculture and pisciculture on the line of green revolution for wheat production.
Q9. Roots are
Answer : Option B
Explaination / Solution:
No Explaination.
Q10. The newest addition to India’s national parks is:
Answer : Option D
Explaination / Solution:
Located in the Himalayan foothills, it is contiguous with the Royal Manas National Park in Bhutan. The park is known for its rare and endangered endemic wildlife such as the Assam roofed turtle, hispid hare, golden langur and pygmy hog. It is established in 1990.
