Biology - Online Test
Q1. Match the following:
state
a) Andhra Pradesh
b) Gujarat
c) Sikkim
d) Karnataka
sanctuary
i) Barsey rhododendron sanctuary
ii) Dandeli wildlife sanctuary
iii) Manjira wildlife sanctuary
iv) Sansagir wildlife sanctuary
state
a) Andhra Pradesh
b) Gujarat
c) Sikkim
d) Karnataka
sanctuary
i) Barsey rhododendron sanctuary
ii) Dandeli wildlife sanctuary
iii) Manjira wildlife sanctuary
iv) Sansagir wildlife sanctuary
Answer : Option D
Explaination / Solution:
- Manjira wildlife sanctuary Located across the Manjira River, this wildlife sanctuary is situated in the Medak district in Andhra Pradesh (Now in Telangana).
- Also known as Sasan-Gir, or Gir forest, this is a forest and wildlife sanctuary in Gujarat, established in 1965.
- The Varsey Rhododendron Sanctuary or Barsey Rhododendron Sanctuary occupies 104 km² in the Singalila Range in western Sikkim. It borders on Nepal to the west, and on the state of West Bengal to the south across the Rambong Khola stream.
- Dandeli Wildlife Sanctuary is the second largest sanctuary in Karnataka.
Q2. The following slide is of Transverse section of thyroid gland and it shows [from left to right] :
Answer : Option C
Explaination / Solution:
Transverse section of thyroid gland shows mark (1) as follicular epithelium, mark (2) as colloid containingthyroglobuin and mark (3) as clear cells.
Q3. The limbless amphibian is
Answer : Option A
Explaination / Solution:
Ichthyophis is an amphibian which is limbless. Sometimes called as Asian caecilians. They are found in southeast Asia and the southern Philippines.
Q4. The anterior most portion of the external genitalia of female which is fatty area covered with skin and pubic hair is called
Answer : Option B
Explaination / Solution:
The mons pubis is the rounded eminence, made by fatty tissue beneath the skin, lying in front of the pubic symphysis. A few fine hairs may be present in childhood; later, at puberty, they become coarser and more numerous. The upper limit of the hairy region is horizontal across the lower abdomen.
Q5. Number of fatty acid residues found in one molecules of fat is
Answer : Option D
Explaination / Solution:
Fat consists of molecules of fatty acids and molecules of glycerin. Each molecule of fat contain three molecules of fatty acids and one molecule of glycerine.
Q6. The pairs of chromosomes present in human beings somatic cells are
Answer : Option C
Explaination / Solution:
In human beings 23 pairs of chromosomes are present out of which 22 pairs are called autosomes and 1 pair is called sex chromosome.
Q7. Rotenone is
Answer : Option C
Explaination / Solution:
Rotenone is a naturally occurring chemical with insecticidal properties, obtained from the roots of the several tropical and subtropical plant species.
Q8. The cardiovascular centre is located in :
Answer : Option A
Explaination / Solution:
The cardiovascular centre is a part of the human brain responsible for the regulation of the rate at which the heart beats through the nervous and endocrine systems. It is found in the medulla oblongata.
Q9. Aerobic respiration is common in
Answer : Option D
Explaination / Solution:
Aerobic respiration is the process that leads to a complete oxidation of organic substances in the presence of oxygen, and releases carbon dioxide, water and a large amount of energy present in the substrate. This type of respiration is most common in higher organisms.
Q10. Bioremediation of Phenol, one of the most common environmental pollutants is reported to be assisted by :
Answer : Option A
Explaination / Solution:
Bioremediation is a waste management technique that involves the use of organisms to remove or neutralize pollutants. Bioremediation of phenol is carried out using earthworms and bacteria.
