Zoology - Online Test
Q1. The management of animal for milk and its product for human consumption is called
Answer : Option A
Explaination / Solution:
Dairying or dairy management is the process and system that increase yield and increase the quality of milk. Milk yield is primarily dependent of quality of breeds in the farms.
Q2. Humans have increased extinction rate by a factor of
Answer : Option D
Explaination / Solution:
Various human activities like pollution, deforestation, urbanization, industrialization have increased the extinction rate of various organisms by a factor of 1000.
Q3. Read the following statements :
i. endocrine system corrects the imbalance originally detected by the nervous system.
ii. nerve cells and endocrine cells exist side by side in adrenal gland and pituitary.
i. endocrine system corrects the imbalance originally detected by the nervous system.
ii. nerve cells and endocrine cells exist side by side in adrenal gland and pituitary.
Answer : Option A
Explaination / Solution:
Endocrine system corrects the imbalance originally detected by the nervous system. Nerve cells and endocrine cells exist side by side in adrenal gland and pituitary gland.
Q4. The endoskeleton is fully ossified and the long bones are pneumatic in
Answer : Option A
Explaination / Solution:
Endoskeleton is fully ossified (bony) and the long bones are hollow with air cavities (pneumatic) in class aves.
Q5. Assertion: Fallopian tubes ends in a funnel shaped structure called the infundibulum.
Reason: Infundibulum is covered with small finger like projections called fimbriae.
Answer : Option A
Explaination / Solution:
Fallopian tube extends from the left and right superior corners of the uterus to the edge of the ovaries. It end in a funnel shaped structure called Infundibulum which is covered with small finger like projections called fimbriae.
Q6. Which is the most abundant chemical for the living organisms?
Answer : Option D
Explaination / Solution:
Water is the most abundant chemical for the living organisms.
In adult men, about 60% of their bodies are water.
Q7. Which one of the following plant is commonly used as green manure?
Answer : Option A
Explaination / Solution:
Green manure is organic substance that increases the fertility of soil. Crotalaria juncea is grown into and ploughed to soil that decompose and increase the fertility.
Q8. Meghna suffers from allergic asthma. After a blood test her leucocyte count displayed an abnormal increase in the number of :
Answer : Option B
Explaination / Solution:
An absolute eosinophil count is a blood test that measures the number of white blood cells called eosinophils. Eosinophils become active when you have certain allergic diseases infections, and other medical conditions.
Q9. The possible drawback of bioremediation method for oil spill containment is :
Answer : Option C
Explaination / Solution:
Bioremediation is a waste management technique that involves the use of organisms to neutralize pollutants from a contaminated site.
In this method large number of bacteria outcompete other organisms for oxygen creating a dead zone.Dead zones are low- oxygen, or hypoxic, areas in the world's oceans and lakes.
Q10. In telophase I, which of the following event takes place?
Answer : Option C
Explaination / Solution:
In telophase I, the nuclear membrane and nucleolus reappear indicating the process of completion od nuclear division . Meiosis II is similar to mitosis.
