Zoology - Online Test
Q1. Which statement explains amensalism?
Answer : Option A
Explaination / Solution:
One type of relationship that has been classified by biologists and ecologists is amensalism.
Amensalism is any relationship between organisms of different species in which one organism is inhibited or destroyed while the other organism remains unaffected.
Q2. Every cell contains DNA and when we consume plant /animal material , the DNA which reaches our digestive tract is digested by :
Answer : Option C
Explaination / Solution:
Food material consists of plant or animal cells. Each cell contain DNA in their nucleus. Digestion of DNA takes place in small intestine by the action of enzyme succus entricus.
Q3. Cirrhosis of liver is caused by the chronic intake of
Answer : Option B
Explaination / Solution:
Cirrhosis of liver is caused by the chronic intake of alcohol. Regular consumption of alcohol damages the liver cells. Cirrhosis of liver is a serious condition when normal liver tissue is replaced by scar tissue.
Q4. Gustatoreceptors are responsible for the sense of :
Answer : Option C
Explaination / Solution:
Gustatoreceptors are responsible for the sense of taste. Gustatory receptors are located inside taste buds on the tongue.
Q5. 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.
Q6. 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.
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. 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.
Q10. To exert their effect on the target cell, water soluble hormones will need to bind with
Answer : Option B
Explaination / Solution:
Hormone receptors present on the cell membrane of the target cells are called membrane-bound receptors and the receptors present inside the target cell are called intracellular receptors, mostly nuclear receptors (present in the nucleus). Binding of a hormone to its receptor leads to the formation of a hormone-receptor complex.
