Which of the following pairs of gases is mainly responsible for green house effect?
1. Carbon dioxide and methane
2. Ozone and Ammonia
3. Oxygen and Nitrogen
4. Nitrogen and Sulphur dioxide
Persistent nucellus in the seed is known as:
1. | Tegmen | 2. | Chalaza |
3. | Perisperm | 4. | Hilum |
Match the Column I and Column II:
Column I | Column II | ||
(a) | P-waves | (i) | Depolarisation of ventricles |
(b) | QRS complex | (ii) | Repolarisation of ventricles |
(c) | T-wave | (iii) | Coronary ischemia |
(d) | Reduction in the size of T-wave | (iv) | Depolarisation of atria |
(v) | Repolarisation of atria |
Options: | (a) | (b) | (c) | (d) |
1. | (ii) | (iii) | (v) | (iv) |
2. | (iv) | (i) | (ii) | (iii) |
3. | (iv) | (i) | (ii) | (v) |
4. | (ii) | (i) | (v) | (iii) |
Following statements describe the characteristics of the enzyme Restriction Endonuclease. Identify the incorrect statement:
1. | The enzyme recognizes a specific palindromic nucleotide sequence in the DNA |
2. | The enzyme cuts DNA molecules at an identified position within the DNA |
3. | The enzyme binds DNA at specific sites and cuts only one of the two strands |
4. | The enzyme cuts the sugar-phosphate backbone at specific sites on each strand |
Which of the following is true for Golden rice?
1. | It has yellow grains, because of gene introduced from a primitive variety of rice |
2. | It is Vitamin A enriched, with a gene from daffodil |
3. | It is pest resistant, with a gene from Bacillus thuringiensis |
4. | It is drought tolerant, developed using Agrobacterium vector |
Match the Column-I with Column-II
Column-I |
Column-II |
||
(a) |
Saprophyte |
(i) |
Symbiotic association of fungi with plant roots |
(b) |
Parasite |
(ii) |
Decomposition of dead organic materials |
(c) |
Lichens |
(iii) |
Living on living plants or animals |
(d) |
Mycorrhiza |
(iv) |
Symbiotic association algae and fungi |
Choose the correct answer from the options given below:
Options: | (a) | (b) | (c) | (d) |
1. | (ii) | (iii) | (iv) | (i) |
2. | (i) | (ii) | (iii) | (iv) |
3. | (iii) | (ii) | (i) | (iv) |
4. | (ii) | (i) | (iii) | (iv) |
What would be the heart rate of a person if the cardiac output is 5L, blood volume in the ventricles at the end of diastole is 100 mL and at the end of ventricular systole is 50 mL?
1. 125 beats per minute
2. 50 beats per minute
3. 75 beats per minute
4. 100 beats per minute
Which of the following statements is incorrect?
1. Prions consist of abnormally folded proteins
2. Viroids lack a protein coat
3. Viruses are obligate parasites
4. Infective constituent in viruses is the protein coat
Match the following structures with their respective location in organs:
(a) |
Crypts of Lieberkuhn |
(i) |
Pancreas |
(b) |
Glisson’s Capsule |
(ii) |
Duodenum |
(c) |
Islets of Langerhans |
(iii) |
Small intestine |
(d) |
Bruunner’s Glands |
(iv) |
Liver |
Select the correct option from the following:
Options: | (a) | (b) | (c) | (d) |
1. | iii | ii | i | iv |
2. | iii | i | ii | iv |
3. | ii | iv | i | iii |
4. | iii | iv | i | ii |
Which of the following immune responses is responsible for the rejection of kidney graft?
1. Cell-mediated immune response
2. Auto-immune response
3. Humoral immune response
4. Inflammatory immune response