IAS Resources

IAS Score

Target PT 2018 Classes: Complete Revision through MCQs, Program will start from 25th Feb, 2018.
Click here for Course details & Online admission.

Biology Test-5

Que.1

Consider the following statements with respect to the ‘Probiotics’:
1. Probiotics is a live micro-organism which, when administered in adequate amounts, confer a health benefit on the host.
2. Probiotics have to be alive when administered.
3. Probiotics are effective in preventing allergies in children.
4. Probiotics are effective in the treatment of antibiotic-associated diarrhea.
Which of the above given statements are correct?

A.

1, 2 and 3

B.

1 and 2

C.

1, 2 and 4

D.

1, 2, 3 and 4

Que.2

Consider following statements about ‘Japanese Encephalitis (JE)’ disease:
1. Membranes around brain are most affected in this disease.
2. It get intensified during the rainy season.
3. The Mosquito (Aedes Aegypti) transmit this disease.
4. The vaccination of this disease has been included under Mission Indra-dhanush.
Which of the above statements is/are correct?

A.

1, 2 and 3

B.

Only 1

C.

1, 2 and 4

D.

All

Que.3

Which of the above statement clearly defines the term tissue?

A.

A tissue is a group of cells with same structure but different functions.

B.

A tissue is a group of cells with different structures but similar functions.

C.

A tissue is a group of cells with same structure and same function.

D.

A tissue is a group of cells with different structures and different functions.

Que.4

Consider the following statements with respect to the Rotavirus:
1. Rotavirus is the most common cause of severe vomiting and diarrhea among infants and adults.
2. Immunity deteriorates with each infection, so subsequent infections are more severe and lead to even death.
3. Rotavirus H is the most common species causing more than 90% of rotavirus infections in humans.
4. Milk intolerance due to lactase deficiency is a symptom of rotavirus infection.
Which among the above given statements are incorrect?

A.

1, 2 and 3

B.

1 and 2

C.

1 and 4

D.

1, 2, 3 and 4

Que.5

The loss of water from the plant tissues is termed as transpiration. Which of the following factor increases the rate of transpiration?
1. High wind velocity.
2. High intensity of light.
3. Deficiency of water supply in the soil
4. Reduction of atmospheric pressure
Codes:

A.

1, 2 and 4

B.

2, 3 and 4

C.

1 and 3

D.

All

Que.6

Which of the following is/are the characteristic feature of Lichen?
1. Lichens are plants having tiny, leafless branches.
2. Lichens do not have roots that absorb water and nutrients.
3. They produce their own food by photosynthesis using sunlight energy.
4. They live as parasites in relation to other plants.
Codes:

A.

1, 2 and 3

B.

2, 3 and 4

C.

2 and 3

D.

1, 3 and 4

Que.7

Which of the following statements is/are correct with respect to the natural nano-thermometer?

A.

Bio-molecules such as proteins or RNA act as natural nano-thermometers in living organisms and report temperature variation by folding or unfolding.

B.

Proteins or Amino acids act as natural nano-thermometers in living organisms and report temperature variation by folding or unfolding.

C.

Bio-molecules such as proteins or DNA act as natural nano-thermometers in living organisms and report temperature variation by folding or unfolding.

D.

Messenger RNA acts as natural nano-thermometers in living organisms and report temperature variation by folding or unfolding.

Que.8

Which of the following are the functions of the saliva?
1. It helps in creating a food bolus so that food can be swallowed easily.
2. It contains amylase that breaks some starches down into maltose and dextrin.
3. It helps in maintaining pH in the oral cavity.
Codes:

A.

1 and 3

B.

1 and 2

C.

Only 1

D.

All

Que.9

Consider the following statements regarding the opioids:
1. Opioid receptors get bind to the brain and spinal cord thus reduce the sending of pain messages to the brain.
2. Overdosing on opioids can lead to increased rate of breathing resulting into increased blood pressure causing ecstasy and euphoria.
Which of the statements given above is/are incorrect?

A.

Only 1

B.

Only 2

C.

Both

D.

None

Que.10

Which of the following statements is/are incorrect about mutation?
1. Mutation is the only phenomenon which results in the alteration of DNA sequences. 
2. Mutation results in changes in the genotype and the phenotype of an organism. 
3. Sickle cell anemia is caused by mutation arising due to change in a single base pair of DNA. 
4. Mutagens are chemical and physical factors that induce mutations.
Codes:

A.

3 and 4

B.

Only 1

C.

1 and 2

D.

All

Que.11

Consider the following statements:
1. Xylem functions as a conducting tissue for water and minerals from roots to the stem and leaves. 
2. Phloem transports food materials, usually from leaves to other parts of the plant.
Which of the above statements is/are correct?

A.

Only 1

B.

Only 2

C.

Both

D.

None

Que.12

Consider the following statements about the Middle East Respiratory Syndrome (MERS): 
1. MERS belongs to the family of coronaviruses which includes large family of viruses such as common cold and Severe acute respiratory syndrome (SARS). 
2. It can be transmitted from infected person to others after close contact via a respiratory route.
3. Fever, breathing problems, pneumonia and kidney failure are major symptoms of MERS. 
Which of the statements given above are correct?

A.

1 and 2

B.

2 and 3

C.

1 and 3

D.

All

Que.13

Consider the following statements related to the role played by ‘Calcium’ in Plant nutrition:
1. During cell division calcium is used in the synthesis of cell wall.
2. It helps to maintain an anion-cation balance in cells.
3. It activates many enzymes involved in photosynthesis.
Which of the above statements is/are correct?

A.

Only 1

B.

1 and 2

C.

Only 2

D.

2 and 3

Que.14

Consider the following statements regarding ecological role of Prokaryotes:
1. Prokaryotes maintain the carbon cycle by removing carbon dioxide and returning it to the atmosphere.
2. Prokaryotes play a major role in the nitrogen cycle by fixing atomspheric nitrogen into ammonia that plants can use and by converting ammonia into other forms of nitrogen sources.
3. The photosynthesizing prokaryotes releases oxygen in the atmosphere.
Which of the above statements is/are correct?

A.

1 and 3

B.

Only 1

C.

1 and 2

D.

All

Que.15

Consider the following statements with respect to the ‘RNA interference (RNAi);
1. RNA interference (RNAi) is an artificially created process through which cells turn off or silence unwanted or harmful genes. 
2. RNAi mediates resistance to both endogenous parasitic and exogenous pathogenic.
3. RNAi is known as precise, efficient, and stable process for gene suppression.
4. RNAi is used in the genetically engineered Arctic apples for making apple to prevent browning after being sliced.
Which of the above given statements are correct?

A.

1, 2 and 3

B.

2, 3 and 4

C.

1, 3 and 4

D.

All

Que.16

Which of the following statement with respect to the drug-Taxol against cancer is correct?

A.

It is the extraction of Tulsi leaves which produces Taxol.

B.

It is extracted from the bark and leaves of the Neem tree, considered as emblem for immortality.

C.

It is extracted from the bark and leaves of the yew tree.

D.

It is a mixture of various herbs found in the Himalayan region.

Que.17

Consider the following statements with respect to the ‘Malabsorption’:
1. Malabsorption is a state arising from abnormality in absorption of food nutrients across the gastrointestinal tract.
2. This may occur due to prolonged antibiotic use.
3. Weight gain due to unhealthy eating habits is common among patients suffering from malabsorption.
Which of the above given statements are correct?

A.

1 and 3

B.

1 and 2

C.

2 and 3

D.

1, 2 and 3

Que.18

Consider the following statements with respect to the cholesterol:
1. Cholesterol produces hormones such as estrogen, testosterone, proges-terone, aldosterone and cortisone.
2. Good Cholesterol absorbs cholesterol and carries it back to the liver, which flushes it from the body.
3. Bad Cholesterol carries cholesterol to cells throughout the body.
Which of the above given statements is/are correct?

A.

Only 3

B.

2 and 3

C.

1 and 3

D.

1, 2 and 3

Que.19

With reference to the Endoplasmic reticulum which of the following statement are correct?
1. It provides a supportive framework to the cell. 
2. It helps in the transport of various products.
3. It is a type of organelle found in the cells of prokaryotic organisms.
Codes:

A.

2 and 3

B.

1 and 3

C.

1 and 2

D.

All

Que.20

India has recently introduced injectable inactivated polio vaccine (IPV) into its routine immunisation programme. What are the advantages of it?
1. IPV induces very high level of immunity in the intestine hence can treat wild poliovirus.
2. IPV does not carries risk of vaccine-associated polio paralysis.
3. IPV is given by intramuscular injection hence no particular training is needed for it.
Which of the above stated advantages is/are correct?

A.

Only 1

B.

Only 2

C.

2 and 3

D.

All

Que.21

Zika virus has been declared as international public health emergency. Which of the following steps has been taken by the government for mitigating it?
1. The government of India has designated National Centre for Disease Control (NCDC) as the nodal agency for investigation of outbreak.
2. Government is using Integrated Disease Surveillance Programme to track those who travelled to areas with ongoing transmission.
3. Government is providing medicines free of cost to all the patients in India.
Codes:

A.

1 and 2

B.

Only 3

C.

2 and 3

D.

All

Que.22

Vegetative Propagation, a type of Asexual Reproduction occurs in which of the following plant Species?
1. Tulip
2. Sweet Potato
3. Sugarcane
4. Rubber
Codes:

A.

Only 1

B.

1 and 4

C.

1 and 3

D.

All

Que.23

Which among the following vitamins is/are responsible for Vitamin Deficiency Anemia?
1. Cynocobalamin
2. Pantothenic
3. Niacin
4. Riboflavin
5. Thiamine
Codes:

A.

1 and 4

B.

4 and 5

C.

Only 3

D.

Only 1

Que.24

Which of the following are the features of “VERTEBRATA”?
1. Have a notochord.
2. Have closed circulatory systems.
3. Have central nervous system.
4. Have paired gill pouches.
5. Have well developed brains.
Codes:

A.

1, 2 and 4

B.

2, 3 and 5

C.

1, 4 and 5

D.

All

Que.25

Dietary fibre, also known as roughage, is the indigestible carbohydrate present in food. Which of the following diseases can be prevented by High fibre diet?
1. Cancer of the large intestine
2. Diabetes
3. Obesity
4. Coronary heart disease
Select the correct answer using the codes given below:

A.

1 and 3

B.

2, 3 and 4

C.

1, 2 and 3

D.

All

Rank List

 
Rank
Name
Marks Obtained
Deepikapalanivel
1
Deepikapalanivel
18.06
2
12.76
SAGAR SAMANTA
3
SAGAR SAMANTA
10.10
Jubilee
4
Jubilee
10.06
Priyadharshini S
5
Priyadharshini S
8.74
Priyadarshini
6
Priyadarshini
5.44
purnendu dube
7
purnendu dube
4.78
nithya
8
nithya
4.74
Yatindra
9
Yatindra
4.00
nedhi mishra
10
nedhi mishra
2.00
alka
11
alka
0.70
PKM
12
PKM
0.00
siddappa
13
siddappa
0.00
ram pratap kumar
14
ram pratap kumar
0.00
Venkatraman
15
Venkatraman
0.00
ravindra
16
ravindra
0.00
rajeev
17
rajeev
0.00
Abhishek K
18
Abhishek K
0.00
Viharika
19
Viharika
0.00
John
20
John
0.00
Rajarshi Majumder
21
Rajarshi Majumder
0.00
Tejaswi
22
Tejaswi
0.00
YASHWANT
23
YASHWANT
0.00
S PANDIYARAJAN
24
S PANDIYARAJAN
0.00
CHANDRA PRAKASH
25
CHANDRA PRAKASH
0.00
Prasada Rao
26
Prasada Rao
0.00
Ankush Bansal
27
Ankush Bansal
0.00
yengkhom
28
yengkhom
0.00
Sumit Machra
29
Sumit Machra
0.00
Harsh Kushwaha
30
Harsh Kushwaha
0.00
gowtham
31
gowtham
0.00
jijo
32
jijo
0.00
Lovejot
33
Lovejot
0.00
SARAH NASREEN
34
SARAH NASREEN
0.00
Trishee Goyal
35
Trishee Goyal
0.00
Anjali Pandey
36
Anjali Pandey
0.00
harisha
37
harisha
0.00
sheik
38
sheik
0.00
aashishjosephdavis
39
aashishjosephdavis
0.00
sathishkumar
40
sathishkumar
0.00
armaan
41
armaan
0.00
G SATHISH
42
G SATHISH
0.00
imran
43
imran
0.00
Hani jassal
44
Hani jassal
0.00
nitin
45
nitin
0.00
shiva
46
shiva
0.00
 V SIVA NAIK
47
V SIVA NAIK
0.00
sudhansu babu
48
sudhansu babu
0.00
vidya
49
vidya
0.00
Burad ANIL
50
Burad ANIL
0.00
rakesh barik
51
rakesh barik
0.00
sai swaroop
52
sai swaroop
0.00
karthikeyan
53
karthikeyan
0.00
Prasanna Raaj Kumar
54
Prasanna Raaj Kumar
0.00
rahul gautam
55
rahul gautam
0.00
anil
56
anil
0.00
jadeja pruthvirajsinh
57
jadeja pruthvirajsinh
0.00
monuranjan neog
58
monuranjan neog
-0.66
Vyshnavi
59
Vyshnavi
-1.98
Quick Contact