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1. Consider the following pairs:
National Park
State
A. Keoladeo Ghana National Park
1. Rajasthan
B. Sultanpur National Park
2. Uttar Pradesh
C. Valley of Flowers National Park
3. Himachal Pradesh
Code:
1 only
2 and 3 only
1 and 3 only
1, 2 and 3
Answer (a).
2. The Himalayas have snowline at higher altitude compared to that in the Alps mountains. This is because
Himalayas are higher than the Alps
Himalayas face the monsoon winds
Himalayas are located in lower latitudes
Himalayas have denser forest cover
Answer (c).
3. The knowledge of genome sequence is important to
understand how genes work together in the growth and development of an entire organism.
study the regulatory regions in the genome outside the gene that controls expression of genes.
Select the correct answer using the code given belwo:
1 only
2 only
Both 1 and 2
Neither 1 nor 2
Answer (c).
4. Besides the Sunderbans, mangrove forests are also to be found in
Bhitarkanika
Godavari delta
Pichavaram
Kaveri (Cauvery) delta
Select the correct answer using the code given below:
1, 2 and 4 only
1, 3 and 4 only
2 and 3 only
1, 2, 3 and 4
Answer (d).
5. Which of the following statements is not correct?
In the preparation of vinegar in the households, dried fruits can be used.
Vinegar making involves fermentation by yeast.
Vinegar is actually acetic acid.
A fruit juice containing 5% or more sugar cannot be made into vinegar in the households.
Answer (d).
6. Which one of the following viruses was exploited to create genetically engineered virus onyx-15, an oncolytic virus to target and eliminate cancer cells?
Parvovirus
Adenovirus
Pox virus
Herpes simplex virus
Answer (b).
7. Which one of the following is NOT included in the Preamble of the Constitution of India?
Secular Republic
Socialist Republic
Federal Republic
Democratic Republic
Answer (c).
8. Consider the following milk borne diseases:
Brucellosis
Listeriosis
Salmonellosis
Which of the above can be controlled by pasteurization?
1 only
2 and 3 only
3 only
1, 2 and 3
Answer (d).
9. Who of the following is the Chairman of Rajya Sabha?
The Prime Minister
The Speaker of Lok Sabha
The Vice President of India
The President of India
Answer (c).
10. Consider the following statements:
Fly ash can be added to agricultural soil to enhance its water holding capacity.
Fly ash can be used in the manufacture of bricks and blocks for construction purposes.
Which of the statements given above is/are correct?
1 only
2 only
Both 1 and 2
Neither 1 nor 2
Answer (c).
11. Ecological niche refers to the
amount of autotrophs available for consumption of the grazing population.
relationship of an animal with the surrounding animals.
position of an animal with reference to its species composition.
positional and functional relationship of an organism in an ecosystem.
Answer (d).
12. Which of the following is NOT required for the formation of photochemical smog?
Oxygen
Oxides of nitrogen
Carbon monoxide
Sunlight
Answer (c).
13. The Nirbhaya Fund set up by the Government of India is for:
Ensuring the safety of women
Promoting the financial literacy of rural poor
Promoting Self-Help Groups of women
Providing free education
Answer (a).
14. What is Solar Impulse 2, which was recently in the news?
A Central Government sponsored scheme to promote the production of solar energy
A spacecraft sent by NASA to study a comet moving towards Sun
A project of India in collaboration with NASA to study the impact of solar fibres on Earth
A round-the=world flight powered only by the solar energy
Answer (d).
15. Consider the following statements:
In food preservation by irradiation, ionising rays are used.
Irradiation does not affect the colour, odour, taste, pH and levels of vitamin contents the foods.
Which of the statements given above is/are correct?
1 only
2 only
Both 1 and 2
Neither 1 nor 2
Answer (a).
16. Kutch (in Gujarat) has the existence of a large number of salt pans. What could be the most valid reason/reasons for this?
Existence of creek and mudflats
Higher evaporation rate
Presence of vast intertidal zone
Select the correct answer using the code given below:
1 and 2 only
2 only
1 and 3 only
1, 2 and 3
Answer (d).
17. Most of the ozone in the atmosphere is concentrated in the:
Ionosphere
Mesosphere
Stratosphere
Troposphere
Answer (c).
18. Consider the following:
Lactic acid
Sorbic acid
Sulphurous acid
Which of the above are food preservatives?
1 and 2 only
2 and 3 only
None of these
1, 2 and 3
Answer (d).
19. With reference to "DNA Microarray" technology, which of the following statements is/are correct?
It helps in identifying the genes involved in a disease by comparing the gene expressions between the tissues from a healthy and an infected person.
It allows visualizing the activity of hundreds of genes simultaneously.
Select the correct answer using the code given below:
1 only
2 only
Both 1 and 2
Neither 1 nor 2
Answer (c).
20. Artemesinin is a drug derived from a
Plant
Fungus
Rock
Blue-green algae
Answer (a).
21. Which of the following can be used to extract heavy metals from water?
Aluminium oxide
Cellulose
Silica
Select the correct answer using the code given below:
1 only
2 and 3 only
1 and 3 only
1, 2 and 3
Answer (d).
112. Which one of the following represents the correct sequence of vegetational transitions with increasing latitude?
LED lamps have shorter life span as compared to incandescent bulbs.
LED lamps are made by using semi-conductor material.
LED lamps are more expensive than conventional sources of lighting.
Which of the statements given above are correct?
1 and 2 only
2 and 3 only
1 and 3 only
1, 2 and 3
Answer (b).
24. In India, ecologists consider "sacred groves" very valuable because of their role in
meeting fuelwood and medicinal needs of local people.
protection biodiversity that has vanished from surrounding areas due to exploitation by man.
stabilization of climate and reduction of global warming.
socio-cultural and religious interactions among traditional communities of different regions.
Answer (b).
25. The "Cry1Ac", often in news is
a gene that enables some crop plants to fight pests.
another strain of virus responsible for bird-flu that occurred in China.
a gene used in making the transgenic rice known as "golden rice".
None of these
Answer (a).
26. Excess accumulation of nitrates in water bodies can result in:
Proliferation of biodiversity
Algal blooms
Acidification
Select the correct answer using the code given below:
1 only
2 and 3 only
2 only
1, 2 and 3
Answer (b).
27. According to the United Nations Convention on the Rights of the Child, which is/are the right/rights of the children?
Right to expression
Right to recreation
Right to name and nationality
Select the correct answer using the code given below:
1 and 2 only
3 only
1, 2 and 3
None of these is a Right of the children
Answer (c).
28. In the context of genetic engineering, which of the following statements is/are correct?
Vector mediated recombinant gene transfer can be done from one eukaryote to another eukaryote only.
Vector mediated recombinant gene transfer can be done from animal cell to plant cell.
Select the correct answer using the code given below:
1 only
2 only
Both 1 and 2
Neither 1 nor 2
Answer (b).
29. What is the importance of plant name jatropha that is frequently in the news?
It is a wild variety of rice of North-east India rich in vitamin A and iron.
It is a bio-diesel yielding plant that can grow well in areas of low rainfall.
It is a genetically modified pest-resistant potato plant.
It is a highly drought-resistant wild variety of pearl millet adopted for cultivation in
Answer (b).
30. Gene silencing means a gene which would be expressed under normal circumstances is switched off by cell machinery. Which one of the following cellular components is not involved in gene silencing?