Zoology - Online Test
Q1. Breakdown of detritus by microbial enzymes into simple forms is called
Answer : Option D
Explaination / Solution:
Catabolism is the metabolic process due to which mass of the organism reduces. Detritus release microbial enzymes that breakdown the dead or decaying organisms into simpler form.
Q2. Which part of our respiratory system doesn’t need ciliated epithelium and thus have non-ciliated walls ?
Answer : Option D
Explaination / Solution:
Respiratory system does not need ciliated epithelium and thus have non-ciliated walls such as alveoli. Alveoli are the balloon like structure at which exchange of gases takes place.
Q3. Soma clones are obtained by
Answer : Option B
Explaination / Solution:
Genetic engineering is the technique of manipulating the genome of an organism.
The plants produced through genetic engineering technique that are genetically identical to the original plant from which they are produced are called soma clones.
Q4. NWCP stands for
Answer : Option B
Explaination / Solution:
< The Government of India has been implementing the National Wetlands Conservation Programme (NWCP) in close collaboration with the State/UT Governments since the year 1985-86. Under the programme, 115 wetlands have been identified till now by the Ministry which require urgent conservation and management interventions.
The objective of this programme is the conservation of wetlands in the country so as to prevent their further degradation and ensuring their wise use for the benefit of local communities and overall conservation of biodiversity
Q5. An egg laying animal grouped under mammals is
Answer : Option A
Explaination / Solution:
Most of the animals belonging to class mammalia are viviparous, produces young ones. But, Duck-billed platypus belongs to mammalian class but lay eggs.
Q6. Which one is unpaired gland in male reproductive system
Answer : Option D
Explaination / Solution:
Only one Prostate gland is present in male reproductive gland. They release fluid medium in which sperms can move and also provide nutrition to sperms.
Q7. Most abundant mineral in body fluids are
Answer : Option C
Explaination / Solution:
Most abundant mineral in body fluids are and ions. These ions are responsible for generation of impulses and its transfer through neuron cells.
Q8. Which of the following represent examples of extracellular fluids?
Answer : Option B
Explaination / Solution:
Tissue fluid( lymph) and blood plasma represents the extracellular fluids. Lymph flows in lymphatic vessels and plasma in arteries and veins along with RBC, WBC and platelets.
Q9. Which of the followings is mainly produced by the activity of anaerobic bacteria on sewage?
Answer : Option D
Explaination / Solution:
Anaerobic bacteria are used in water treatment process during which marsh gas is produced. This gas have pungent smell and highly flammable.
Q10.
Read the following statements:
i. Based on emission, there are point and diffusion sources of water pollution.
ii. Fertilisers are example of point sources of water pollution.
iii. Industrial discharge pipes are examples of diffusion sources of water pollution.
Answer : Option B
Explaination / Solution:
On the basis of emission of pollutants in water bodies, there are point and diffusion sources of water pollution. Fertilizers are example of diffusion sources of water and industrial discharge pipes are example of point source of water pollution.
