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Biology Test - 1

Que.1

Which of the following statement correctly defines the term "Sea water greenhouse"?

A.

The technology introduced by UK Company to grow crops in arid region.

B.

The amount of green house emissions released by seawater.

C.

The amount of green house gasses absorbed by the ocean as it acts as the largest carbon sink.

D.

Green houses gases contribution from the fishing industry.

Que.2

India has officially declared itself free from which of the following diseases?
1. Yaws
2. Polio
3. Small pox
4. Chikangunya
5. Thyroid
Select the correct code:

A.

1 and 2

B.

1, 2 and 3

C.

2, 3 and 5

D.

Only 2

Que.3

Nobel Prize in Medicine was awarded for "discoveries of mechanisms for autophagy".  What is autophagy?

A.

Autophagy refers to a process where cells grow at an unprecedented rate in case of an injury in the body.

B.

Autophagy mainly maintains a balance between manufacture of cellular components and break down of damaged or unnecessary organelles and other cellular constituents.

C.

Autophagy involves delivery of cytoplasmic cargo to the lysosome through only.

D.

None of the above.

Que.4

Recently India has been declared as a Yaws free country. Which of the following statements is/are true about this?
1. Yaws is an abnormality in the functioning of body where the heart is unable to pump enough blood.
2. Yaws mainly occurs in cold and dry temperate climate regions.
3. Yaws free status has been accorded officially by WHO and UNICEF.
Codes:

A.

Only 1

B.

2 and 3

C.

Only 3

D.

All

Que.5

The U.S. Food and Drug Administration (FDA) has announced that it will seek to eliminate majority of partially hydrogenated oils (PHOs) from the country's food supply by 2018. Consider the following statements related to the Tran's fats:
1. Artificial TFAs are formed when hydrogen is made to react with the oil to produce fats resembling pure ghee/butter.
2. Oil containing Trans Fats can be preserved longer and give the food the desired shape and texture.
Codes:

A.

Only 1

B.

Only 2

C.

Both 

D.

None

Que.6

Recently a study depicted that protein from vegetable sources rather than meat boost life expectancy. Consider the following statements about Proteins:
1. It builds structures such as muscles, tissues and organs.
2. It plays an important role in cell signaling and immune responses.
3. It is required for digestion.
Which of the above statements is/are correct?

A.

1 and 2

B.

2 and 3

C.

1 and 3

D.

All

Que.7

Scientists have developed Zika replicon system to develop vaccines. Which of the following statement defines the term Replicons?

A.

Replicons are segments of viral genome that can replicate on their own, independent of the cellular chromosome.

B.

Replicons are segments of bacterial genome that can replicate on their own, independent of the cellular chromosome.

C.

Replicons are segments of viral genome work according to the cellular chromosome.

D.

Replicons are segments of viral genome having no DNA.

Que.8

National Capital Territory (NCT) of Delhi declared free from bird flu after cases reported in October and November. Consider following statement regarding bird flu:
1. Bird flu is an infectious bacterial disease of birds caused by strains of the influenza.
2. People catch bird flu by close contact with birds or bird droppings.  
3. It does not generally spread from person to person.
Which of the above statements is/are correct?

A.

1 and 2

B.

2 and 3

C.

Only 2

D.

All

Que.9

Cultivating sugarcane using drip irrigation technique has which of the following effect on Yield of the crop?

A.

Increases Yield.

B.

Increases Sugar Content.

C.

Increases Both Yield and Sugar Content.

D.

No effect.

Que.10

Which of the following statements is/are correct related to the free radicals on the human body?
1. They damage immune function and cause cell mutations.
2. Cell damage caused by free radicals appears to be a major contributor to aging.
3. Antioxidants and Transfats are capable of stabilizing, or deactivating, free radicals.
Select the correct answer using the codes given below:

A.

1 and 3

B.

1 and 2

C.

Only 2

D.

All

Que.11

Photosynthesis is the biological synthesis of chemical compounds in the presence of light. Which of the following statements related to it is/are correct?
1. Water for photosynthesis is taken in from the roots of the plant and is transported to the leaves.
2. Oxygen from the air enters the leaves through the tiny pores called stomata and diffuses to the cells containing chlorophyll. 
3. Chlorophyll absorbs light maximally in the violet blue region.
Select the correct answer using the codes given below:

A.

1 and 3

B.

2 and 3

C.

Only 1

D.

All

Que.12

Which of the following statements is/are true about Bio-fuels?
1. These are derived from the geological process of decomposition of vegetative matter.
2. Bio fuels production can lead to diversion of agricultural land meant for food crops.
3. Bio-fuels contribute of air pollution by release of airborne carbon particulates, carbon monoxide and nitrous oxides during burning.
Select the correct answer suing the codes given below:

A.

1 and 2

B.

2 and 3

C.

Only 2

D.

All

Que.13

Which of the following is/are the benefits of pollination?
1. Effective pollination maximizes fruit or seed set required for subsequent harvest of fruit or seeds. 
2. It results in fertilization and stimulates the ovule to get converted into seed. 
3. New varieties of plants are formed through new combination of genes in case of cross pollination. 
Codes:

A.

Only 1

B.

1 and 2

C.

1 and 3

D.

All

Que.14

Consider the following statements related to the Blood:
1. Blood carries carbon dioxide and other waste products back to the lungs, kidneys and liver for disposal.
2. Blood helps in transporting heat to the skin so as to help regulate body temperature.
3. Blood plasma is a mixture of proteins, enzymes, nutrients, wastes, hormones and gases which carries nutrients to the cells of the body.
Which of the above statements is/are correct?

A.

1 and 3

B.

2 and 3

C.

Only 2

D.

All

Que.15

Which of the following statements is/are true about DNA profiling?
1. It is a forensic technique used to identify individuals by characteristics of their DNA.
2. It is the process of determining the complete DNA sequence of an organism's genome at a single time and then compare it with other.
3. DNA profiling is used for parentage testing but do not work in monozygotic twins. 
Codes:

A.

1 and 2

B.

1 and 3

C.

Only 1

D.

All

Que.16

Which of the following statements is/are true about Dead zone region? 
1. Dead zone is an area in a water body where the area is completely devoid of oxygen in bottom water.
2. Global warming is causing to expand these dead zones
3. They are found in west coast of Arabian Sea only.
Select the correct answer using the codes given below:

A.

2 and 3

B.

Only 2

C.

Only 1

D.

1 and 3

Que.17

Which of the following statements related to the cell organelles is/are incorrect?

A.

Endoplasmic Reticulum helps in carrying materials throughout the cell.

B.

Golgi bodies helps in   locomotion for one-celled organisms and to move substances over cell surfaces in multi-celled organisms.

C.

Vacuoles store cellular waste products for disposal.

D.

Leucoplasts are colorless organelles which store starch or other plant nutrients.

Que.18

Why the biodiesel is described as 'carbon nuetral'?

A.

Because it does not produce any greenhouse gases.

B.

Because it produces low greenhouse gases during combustion.

C.

Because the fuel produces no net output of carbon in the form of carbon dioxide.

D.

Because when the oil crop grows it absorbs more amount of CO2 and releases less when the fuel is combusted.

Que.19

With respect to Sickle cell Anemia consider the following statements:
1. It is a genetic disorder.
2. In this the red blood cell takes the form of sickle instead of normal round shape.
3. The sickling affects the flexibility of RBC.
Which of the above statements is/are correct?

A.

Only 1

B.

2 and 3

C.

1 and 3

D.

All

Que.20

Which of the following is known as protective food?

A.

Proteins

B.

Carbohydrates

C.

Minerals and vitamins

D.

Fibers and water

Que.21

Which of the following statements about Hydrothermal Liquefaction are correct?
1. It is used to make fuel from wet organic feedstock.
2. It can convert sewage into biofuel.
3. Biofuels that are produced through hydrothermal liquefaction are carbon neutral.
Select the correct answer using the codes given below:

A.

1 and 2

B.

2 and 3

C.

1 and 3

D.

All

Que.22

Which of the following statement correctly defines the term Astrobiology?

A.

Astrobiology is the study of the origin, evolution and distribution of life in the universe.

B.

Astrobiology is the study of the origin, evolution and distribution of life on Earth.

C.

Astrobiology is the study of the Universe and its relationship with Predictions of Future of Mankind.

D.

Astrobiology is the study of Astronomical Observations which affect evolution of Man on Earth.

Que.23

Which of the following is/are not Asexual Reproduction phenomenon in Plants?
1. Binary fission 
2. Pollination
3. Budding 
4. Vegetative propagation 
Select the correct answer using the codes given below:

A.

Only 1

B.

Only 2

C.

1 and 2

D.

2 and 3

Que.24

Which of the following statements is/are the correct with reference to the heart?
1. Angioplasty: it opens narrowed arteries.
2. Stent: involves implanting a mesh-like metal device into an artery at a site narrowed by plaque.
3. Pacemaker: is a surgically implanted device that helps to regulate heartbeat.
Select the correct answer using the codes given below:

A.

1 and 2

B.

2 and 3

C.

Only 3

D.

All

Que.25

The Vaccine Grand Challenge Programme is under implementation to encourage novel and innovative vaccine related discoveries, accelerated development of candidate vaccines. Which of the following vaccines have been designed under it?

A.

Rotavirus vaccine

B.

Dengue vaccine

C.

Malaria vaccine

D.

All of the above

Rank List

 
Rank
Name
Marks Obtained
S.perumal
1
S.perumal
16.72
rajeev
2
rajeev
15.42
Shiva Kumar Okram
3
Shiva Kumar Okram
7.44
Haominthang
4
Haominthang
7.42
Tauseef Ahmad
5
Tauseef Ahmad
6.04
Vyshnavi
6
Vyshnavi
6.04
sai swaroop
7
sai swaroop
0.00
DIVYA SINGLA
8
DIVYA SINGLA
0.00
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