Forwarded from Target IAS
Which one of the following is NOT a function of the human liver?
Anonymous Quiz
0%
Secretion of bile
48%
Secretion of insulin
40%
Conversion of ammonia into urea
8%
Storage of glycogen
4%
Not Attempted
Forwarded from Target IAS
In the human nephron, ultrafiltration of blood takes place at the:
Anonymous Quiz
23%
Glomerulus
46%
Proximal convoluted tubule
23%
Loop of Henle
8%
Collecting duct
0%
Not Attempted
Forwarded from Target IAS
Which nitrogenous base is present in RNA but absent in DNA?
Anonymous Quiz
16%
Thymine
15%
Cytosine
58%
Uracil
11%
Guanine
1%
Not Attempted
Forwarded from Target IAS
In the DNA double helix, the number of hydrogen bonds between guanine and cytosine is:
Anonymous Quiz
33%
Three
13%
One
38%
Two
10%
Four
6%
Not Attempted
Forwarded from Target IAS
"Admission or establishment of new States into the Union of India" is provided for under which one of the following Article?
Anonymous Quiz
12%
(A) Article 1
38%
(B) Article 2
42%
(C) Article 3
8%
(D) Article 368
0%
(E) Did not attempted
Forwarded from Target IAS
Enzymes are best described as:
Anonymous Quiz
5%
(A) Carbohydrates that supply energy for metabolic reactions
27%
(B) Lipids that form the structural framework of cell membranes
9%
(C) Inorganic salts that regulate osmotic pressure
59%
(D) Biological catalysts, almost all of which are proteins
0%
(E) Not Attempted
Forwarded from Target IAS
The Jnanpith Award, India's highest literary honour, was first conferred in 1965 upon:
Anonymous Quiz
43%
(A) Tarashankar Bandyopadhyay
5%
(B) K. V. Puttappa
24%
(C) G. Sankara Kurup
24%
(D) Sumitranandan Pant
5%
(E) Not Attempted
Forwarded from Target IAS
The book India Wins Freedom, an account of the events leading to the partition of the subcontinent, was written by:
Anonymous Quiz
21%
(A) Jawaharlal Nehru
13%
(B) Sardar Vallabhbhai Patel
25%
(C) Rajendra Prasad
42%
(D) Maulana Abul Kalam Azad
0%
(E) Not Attempted
Forwarded from Target IAS
Which of the following statements distinguishes a National Park from a Wildlife Sanctuary in India?
Anonymous Quiz
27%
(A) A National Park may be declared only by the Central Government
14%
(B) A National Park is always larger in area than a Sanctuary
32%
(C) Tourism is prohibited in a National Park but permitted in a Sanctuary
23%
(D) Grazing and private tenurial rights are not permitted
5%
(E) Not Attempted
Forwarded from Target IAS
The term eDNA (Environmental DNA), sometimes seen in the news, refers to?
Anonymous Quiz
43%
A. Its DNA that is extracted from environmental samples, without having to isolate target organisms.
22%
B. It refers to DNA sample leaked into the environment due to the misuse of the technology.
29%
C. It refers to digitally stored DNA data, as envisaged in the DNA Technology Regulation Bill, 2019.
6%
D. It refers to electronically extracted DNA samples, via use of robotics
0%
E. Not attempted
Forwarded from Target IAS
RNA interference (RNAi) is associated with:
(RNA interference (RNAi) किससे संबंधित है?)
(RNA interference (RNAi) किससे संबंधित है?)
Anonymous Quiz
87%
A. Silencing or reducing expression of specific genes (विशिष्ट जीन की अभिव्यक्ति को दबाना या कम करना
6%
B. Increasing Earth's gravity (पृथ्वी के गुरुत्वाकर्षण को बढ़ाना)
4%
C. Formation of fossil fuels (जीवाश्म ईंधन का निर्माण)
2%
D. Producing nuclear energy (परमाणु ऊर्जा का उत्पादन)
1%
E. Not attempted
Forwarded from Target IAS
[Biology Q6] The term "protoplasm", for the living material inside the cell, was coined by:
Anonymous Quiz
22%
J. E. Purkinje
33%
Robert Brown
37%
Rudolf Virchow
7%
Theodor Schwann
Forwarded from Target IAS
[Biology Q7] Which cell organelle is not bounded by any membrane?
Anonymous Quiz
19%
Lysosome
33%
Ribosome
30%
Peroxisome
19%
Golgi apparatus
Forwarded from Target IAS
[Biology Q8] Match the organelle with its popular name:
1. Golgi apparatus 2. Lysosome 3. Chloroplast 4. Mitochondrion
A. Powerhouse B. Kitchen C. Post office D. Suicide bag
1. Golgi apparatus 2. Lysosome 3. Chloroplast 4. Mitochondrion
A. Powerhouse B. Kitchen C. Post office D. Suicide bag
Anonymous Quiz
57%
1-C, 2-D, 3-B, 4-A
24%
1-D, 2-C, 3-A, 4-B
19%
1-C, 2-D, 3-A, 4-B
0%
1-B, 2-D, 3-C, 4-A
Forwarded from Target IAS
[Biology Q9] Glyoxysomes, which convert stored fat into carbohydrate, are typically present in:
Anonymous Quiz
29%
Mature red blood cells
29%
Guard cells of the stomata
25%
Root nodules of legumes
17%
Fat-rich germinating seeds
Forwarded from Target IAS
[Biology Q10] Chromosomes are counted and photographed for karyotyping during which stage of cell division?
Anonymous Quiz
11%
Prophase
46%
Metaphase
14%
Anaphase
29%
Telophase
Forwarded from Target IAS
[Biology Q11] Pickles and jams do not spoil easily because a strong salt or sugar solution:
Anonymous Quiz
19%
Causes haemolysis of the microbes
29%
Plasmolyses and kills the microbes
43%
Makes the medium hypotonic
10%
Denatures the microbial DNA
Forwarded from Target IAS
[Biology Q12] Cytoplasmic threads connecting the cytoplasm of neighbouring plant cells are called:
Anonymous Quiz
50%
Plasmodesmata
7%
Lenticels
36%
Hydathodes
7%
Sieve pores
Forwarded from Target IAS
[Biology Q13] The first enzyme obtained in crystalline form, proving that enzymes are proteins, was:
Anonymous Quiz
0%
Urease, by J. B. Sumner
44%
Pepsin, by W. Kühne
25%
Zymase, by Buchner
31%
Lysozyme, by Alexander Fleming
Forwarded from Target IAS
[Biology Q14] Which enzyme present in saliva and tears breaks bacterial cell walls and acts as a natural antibacterial?
Anonymous Quiz
21%
Ptyalin
32%
Lysozyme
42%
Catalase
5%
Carbonic anhydrase
Forwarded from Target IAS
[Biology Q15] Digestive enzymes that would otherwise digest their own gland are secreted in an inactive form called:
Anonymous Quiz
38%
Coenzyme
19%
Cofactor
12%
Zymogen
31%
Isoenzyme