Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

Diamond is an allotropic form of ?

A. sulphur
B. silicon
C. germanium
D. carbon
Answer» E.
2.

Study the followings related to uses of plants and identify the correct match for the sorghum and cotton respectively.I. Blood purification and organic fertilizer.II. Animal feed and paper industryIII. 'B' Vitamin and cosmetics.IV. Explosives and organic fertilizer.The correct pair is:

A. II, III
B. I, II
C. II, IV
D. III, IV
Answer» D. III, IV
3.

Morphine, which is used as an analgesic is obtained from ?

A. Papaver somniferum
B. Cinchona officinalis
C. Taxus brevifolia
D. Berberis nilghiriensis
Answer» B. Cinchona officinalis
4.

LPG consists of mainly ?

A. methane, hexane and nonane
B. ethane, hexane and nonane
C. methane, butane and propane
D. methane, ethane and hexane
Answer» D. methane, ethane and hexane
5.

Pollution from animal excreta and organic waste from kitchen can be most profitably minimized by ?

A. Using them for producing biogas
B. Storing them in underground storage tanks
C. Vermiculture
D. Using them directly as biofertilizers
Answer» B. Storing them in underground storage tanks
6.

A hybrid where the cytoplasm of two parent cells are fused by retaining only one parental nucleus is called ?

A. Symmetric somatic hybrid
B. An interbreed
C. Asymmetric somatic hybrid
D. Cybrid
Answer» E.
7.

Which of the following is not used as a biopesticide?

A. Bacillus thuringiensis
B. Trichoderma harzianum
C. Nuclear Polyhedrosis Virus (NPV)
D. Xanthomonas campestris
Answer» E.
8.

Who is the chief of IAF?

A. NAK Browne
B. NIK Browne
C. NAP Browne
D. NEK Browne
Answer» B. NIK Browne
9.

Genetic diversity in agricultural crops is threatened by ?

A. Intensive use of fertilizers
B. Extensive intercropping
C. Introduction of high yielding varieties
D. Intensive use of biopesticides
Answer» D. Intensive use of biopesticides
10.

Powdery mildew of wheat is caused by a species of ?

A. Erysiphe
B. Ustilago
C. Puccinia
D. Albugo
Answer» B. Ustilago
11.

Bell metal is an alloy of ?

A. brass and nickel
B. nickel and copper
C. tin and copper
D. zinc and copper
Answer» D. zinc and copper
12.

At which place did the helicopter crashed at Uttarakhand?

A. Rudraprayag
B. Gaurikund
C. Ghaucher
D. none
Answer» C. Ghaucher
13.

Bacillus thuringiensis (Bt) strains have been used for designing novel ?

A. Bio-mineralization processes
B. Bio-insecticidal plants
C. Biofertilizers
D. Bio-metallurgical techniques
Answer» C. Biofertilizers
14.

An important drug is obtained from the bark of ?

A. Withania
B. Cinchona
C. Momordica
D. Papaver
Answer» C. Momordica
15.

How many peoples died in Helicopter Crash at Uttarakhand?

A. 25
B. 19
C. 17
D. 23
Answer» C. 17
16.

IAF, which is working in Uttarakhand Floods places, What it stands For?

A. Indian Administration Facility
B. Indian Armed Force
C. Indian Additional Force
D. none
Answer» C. Indian Additional Force
17.

In paddy fields biological nitrogen fixation is chiefly brought by ?

A. Cyanobacteria
B. Mycorrhiza
C. Green algae
D. Rhizobium
Answer» B. Mycorrhiza
18.

During anaerobic digestion of organic waste, such as in producing biogas, which one of the following is left undergraded?

A. Lignin
B. Hemi-cellulose
C. Lipids
D. Cellulose
Answer» B. Hemi-cellulose
19.

Which one of the following is used as biological insecticide?

A. Caterpillar
B. Silkmoth
C. Mazra Poka
D. Tiger beetle
Answer» E.
20.

Agriculture and allied activities, according to the Economic Survey 2012-13, accounted for Gross Domestic Product

A. 14%
B. 14.1%
C. 14.2%
D. 14.3%
Answer» C. 14.2%
21.

According to the 12th Five-Year Plan, India should bring Infant Mortality Rate by the end of the Plan down to?

A. 27
B. 28
C. 25
D. 29
Answer» C. 25
22.

Name the IAF Helicopter which Crashed during resque operation?

A. MI-18 V-5
B. MI-17 V-6
C. MI-17 V-5
D. MI-16 V-5
Answer» D. MI-16 V-5
23.

The United Nations declared 1993 as a year of the ?

A. forests
B. girl child
C. indigenous people
D. disabled
Answer» D. disabled
24.

Name the VIP,Who visited the Uttarakhand Flood Victims as a general man?

A. Narendra Modi
B. Sonia Gandhi
C. Rahul Gandhi
D. Rajnath Singh
Answer» D. Rajnath Singh
25.

When did Uttarakhand Floods happened?

A. 13 June
B. 20 June
C. 16 June
D. 18 June
Answer» D. 18 June
26.

Assertion: Deficiency of sulphur causes chlorosis in plants.Reason: Sulphur is a constituent of chlorophyll, proteins and nucleic acids. ?

A. Both the Assertion and the Reason are truebut the Reason is not a correct explanationof Assertion
B. Both the Assertion and the Reason are trueand the Reason is a correct explanation ofthe Assertion
C. Both the Assertion and the Reason arefalse
D. Assertion is true but the Reason is false
Answer» E.
27.

The centenary of Mahatma Gandhi's arrival in South Africa was celebrated in ?

A. September 1993
B. May 1993
C. August 1993
D. July 1993
Answer» C. August 1993
28.

Match the followings an choose the correct combination from the options given:List - I List - IIa. Photolysis of water 1. Zincb. Diazotrophy 2. Copperc. Cytochrome c oxidase 3. Manganesed. Biosynthesis of IAA 4. Molybdenum 5. Boron

A. a – 3, b – 4, c – 2, d – 1
B. a – 3, b – 2, c – 1, d – 5
C. a – 4, b – 1, c – 3, d – 2
D. a – 5, b – 2, c – 3, d – 4
Answer» B. a – 3, b – 2, c – 1, d – 5
29.

The year 1991 was observed in India as the year of ?

A. Tourism
B. Literacy
C. Girl child
D. Population control
Answer» B. Literacy
30.

Match the followings an choose the correct combination from the options given:List - I List - IIa. Sulphur 1. Chlorophyllb. Zinc 2. Nitrogenasec. Magnesium 3. Methionined. Molybdenum 4. Auxin

A. a – 3, b – 1, c – 2, d – 4
B. a – 1, b – 2, c – 3, d – 4
C. a – 3, b – 4, c – 1, d – 2
D. a – 2, b – 4, c – 1, d – 3
Answer» D. a – 2, b – 4, c – 1, d – 3
31.

If by radiation all nitrogenase enzyme are inactivated, then there will be no ?

A. Conversion from nitrate to nitrite inlegumes
B. Conversion from ammonium to nitrate in soil
C. Fixation of nitrogen in legumes
D. Fixation of atmospheric nitrogen
Answer» D. Fixation of atmospheric nitrogen
32.

World Literacy Day is observed on ?

A. Oct 24
B. Aug 6
C. Sep 8
D. Sep 5
Answer» D. Sep 5
33.

In root nodules of legumes, leg-haemoglobin is important because it ?

A. Acts as an oxygen scavenger
B. Provides energy to the nitrogen fixingbacterium
C. Transports oxygen to the root nodule
D. Acts as a catalyst in transamination
Answer» B. Provides energy to the nitrogen fixingbacterium
34.

Who is the chief minister of Uttarakhand?

A. Vijay Gupta
B. Ashok Bahuguna
C. Bhupesh Sharma
D. Vijay Bahuguna
Answer» E.
35.

Select the matched ones:a. Nitrosomonas - Nitrite to nitrateb. Thiobacillus - Denitrificationc. Nostoc - Free-living nitrogen-fixerd. Azotobacter - Anaerobic nitrogen-fixer

A. b and c only
B. c and d only
C. a and b only
D. b and d only
Answer» B. c and d only
36.

The minerals involved in water-splitting reaction during photosynthesis are ?

A. Potassium and Manganese
B. Manganese and Chlorine
C. Magnesium Chlorine
D. Molybdenum Manganese
Answer» C. Magnesium Chlorine
37.

Which of the following is a flowering plant with nodules containing filamentous nitrogen-fixing microorganism?

A. Casuarina equisetifolia
B. Crotalaria juncea
C. Cicer arietinum
D. Cycas revoluta
Answer» B. Crotalaria juncea
38.

Which one of the following is not a micronutrient?

A. Molybdenum
B. Magnesium
C. Boron
D. Zinc
Answer» C. Boron
39.

Which of the following is a rootless aquatic plant in which a portion of the leaf forms a tiny sac for trapping insects?

A. Utricularia
B. Nepenthes
C. Drosera
D. Dionaea
Answer» B. Nepenthes
40.

The function of leghemoglobin in the root nodules of legumes is ?

A. Inhibition of nitrogenase activity
B. Oxygen removal
C. Nodule differentiation
D. Expression of nif gene
Answer» C. Nodule differentiation
41.

Which one of the following elements in plants is not remobilized?

A. Phosphorus
B. Calcium
C. Potassium
D. Sulphur
Answer» C. Potassium
42.

'Natya - Shastra' the main source of India's classical dances was written by ?

A. Tandu Muni
B. Abhinav Gupt
C. Bharat Muni
D. Nara Muni
Answer» D. Nara Muni
43.

The ratio of width of our National flag to its length is ?

A. 2:3
B. 3:4
C. 3:5
D. 2:4
Answer» B. 3:4
44.

Global warming can be controlled by [NEET 2013] ?

A. Reducing reforestation, increasing the use of fossil fuel
B. Reducing deforestation, cutting down use offossil fuel
C. Increasing deforestation, slowing down thegrowth of human population
D. Increasing deforestation, reducingefficiency of energy usage
Answer» C. Increasing deforestation, slowing down thegrowth of human population
45.

A nutritionally wild type organism, which does not require any additional growth supplement is known as ?

A. Auxotroph
B. Prototroph
C. Holotype
D. Phenotype
Answer» C. Holotype
46.

The President of India Mr. Pranab Mukherjee on April 30, 2013 inaugurated the 14 mega watt Solar Power Project at

A. Sri Nagar
B. Hyderabad
C. Nasik
D. Deonagar
Answer» E.
47.

Name the 8-inch tablet launched by Samsung, the South Korean electronics company on 3 May 2013.

A. Galaxy 210
B. Galaxy Note 510
C. Galaxy Note 201
D. Galaxy 510
Answer» C. Galaxy Note 201
48.

Biodiversity of a geographical region represents ?

A. Species endemic to the region
B. Endangered species found in the region
C. Genetic diversity present in the dominantspecies of the region
D. The diversity in the organisms living inthe region
Answer» E.
49.

The words 'Satyameva Jayate' inscribed below the base plate of the emblem of India are taken from ?

A. Mundak Upanishad
B. Ramayana
C. Rigveda
D. Satpath Brahmana
Answer» B. Ramayana
50.

Select the correct statement about biodiversity ?

A. Large scale planting of BT cotton has noadverse effect on biodiversity
B. The desert areas of Rajasthan and Gujarathave a very high level of desert animalspecies as well as numerous rare animals
C. Conservation of biodiversity in just a fadpursued by the developed countries
D. Western Ghats have a very high degree ofspecies richness and endemism
Answer» E.