Zoology - Online Test
Q1. Which is the incorrect statement from the following?
Answer : Option D
Explaination / Solution:
Lion (Pantheraleo), leopard (P. pardus) and tiger (P. tigris) with several common features, are all species of the genus Panthera. The genus Felisincludes cats. Hence, the correct option is Lion, tiger, leopard and cat belong to the same genus.
Q2. Transducers is the term used for
Answer : Option A
Explaination / Solution:
Transducers are those organisms that convert one form of energy to another form. Green plants converts solar energy into chemical energy in foods by the process of photosynthesis.
Q3. Sachin suffers from hypoparathyroidism. This can lead him to :
Answer : Option A
Explaination / Solution:
Hypoparathryrodism is the condition in which body secretes abnormally low level of parathyroid hormone. This deficiency may lead to hypocalcemia and tetany.
Q4. Mobile genetic elements that replicate an RNA intermediate are called as
Answer : Option A
Explaination / Solution:
Mobile genetic elements that replicate an RNA intermediate are called transposons. It is a small piece of DNA that inserts itself into another place in the genome.
Q5. Identify mechanical contraceptive in figure below
Answer : Option A
Explaination / Solution:
Female condom is a mechanical contraceptive similar to condom used by male. It prevents the meeting of ovum with sperm as well as provide protection against STDs.
Q6. Largest single mass of lymphatic tissue in the body is
Answer : Option D
Explaination / Solution:
Spleen is the largest single mass of lymphatic tissue in body. Blood formation in foetus and newly born child takes place in spleen.
Q7. A plant that is partially heterotrophic is
Answer : Option B
Explaination / Solution:
Drosera plant is partially heterotrophic. This plants capture insects to fulfill its protein requirement although it performs photosynthesis also.
Q8. Zone of Earth occupied by living organisms is called
Answer : Option B
Explaination / Solution:
The zone of earth occupied by living organism is called biosphere. It includes, lands, water and air where living organisms survive.
Q9.
Read the following statements :
i. In ruminants cellulose digesting bacteria are present in digestive system.
ii. Such digestion by microbial activity is called Anaerobic digestion.
iii. Camels are ruminants lacking omasum chamber.
Answer : Option C
Explaination / Solution:
- In ruminants like cows, buffalos, cellulose digesting bacteria are present in digestive system that release cellulose enzyme.
- Anaerobic digestion is a collection of processes by which microorganisms break down biodegradable material in the absence of oxygen.
- Camel is a psuedo ruminants as it has only 3 chambers instead of 4.
Q10. Which of the following drug is very effective sedative and painkiller?
Answer : Option C
Explaination / Solution:
Morphine is a very effective sedative and painkiller, and is very useful in patients who have undergone surgery.
