Which part of the fruit, labelled in the given figure makes it a false fruit?
| 1. | D-Seed | 2. | A-Mesocarp |
| 3. | B-Endocarp | 4. | C-Thalamus |
In the following palindromic base sequences of DNA, which one can be cut easily by particular restriction enzyme?
1. 5'GTATTC3' ; 3'CATAAG5'
2. 5'GATACT3' ; 3'CTATGA5'
3. 5'GAATTC3' ; 3'CTTAAG5'
4. 5'CTCAGT3' ; 3'GAGTCA5'
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
| Assertion (A): | Mendel's law of Independent assortment does not hold good for the genes that are located closely on the same chromosome. |
| Reason (R): | Closely located genes assort independently. |
In the light of the above statements, choose the correct answer from the options given below:
| 1. | (A) is False, (R) is True. |
| 2. | Both (A) and (R) are True and (R) correctly explains (A). |
| 3. | Both (A) and (R) are True and (R) does not correctly explain (A). |
| 4. | (A) is True, (R) is False. |
The entire fleet of buses in Delhi was converted to CNG from diesel. In reference to this, which one of the following statements is false?
| 1. | It cannot be adulterated like diesel. |
| 2. | CNG burns more efficiently than diesel. |
| 3. | The same diesel engine is used in CNG buses making the cost of conversion low. |
| 4. | It is cheaper than diesel. |
What is the role of large bundle sheath cells found around the vascular bundles in C4 plants?
| 1. | To protect the vascular tissue from high light intensity. |
| 2. | To provide the site for photorespiratory pathway. |
| 3. | To increase the number of chloroplast for the operation of Calvin cycle. |
| 4. | To enable the plant to tolerate high temperature. |
ds RNA can be used during which one of the following?
| 1. | Gene sequencing | 2. | Polymerase Chain Reaction |
| 3. | Gene silencing | 4. | Autoradiography |
| List-I | List-II | ||
| (a) | Spirogyra | (i) | Dominant diploid sporophyte vascular plant, with highly reduced male or female gametophyte |
| (b) | Fern | (ii) | Dominant haploid free-living gametophyte |
| (c) | Funaria | (iii) | Dominant diploid sporophyte alternating with reduced gametophyte called prothallus |
| (d) | Cycas | (iv) | Dominant haploid leafy gametophyte alternating with partially dependent multicellular sporophyte |
Choose the correct answer from the options given below:
| (a) | (b) | (c) | (d) | |
| 1. | (ii) | (iv) | (i) | (iii) |
| 2. | (iv) | (i) | (ii) | (iii) |
| 3. | (ii) | (iii) | (iv) | (i) |
| 4. | (iii) | (iv) | (i) | (ii) |
Addition of more solutes in a given solution will:
1. not affect the water potential at all
2. raise its water potential
3. lower its water potential
4. make its water potential zero
The anatomy of springwood shows some peculiar features. Identify the correct set of statements about springwood.
| a. | It is also called as the early wood. |
| b. | In spring season cambium produces xylem elements with narrow vessels. |
| c. | It is lighter in colour. |
| d. | The springwood along with autumn wood shows alternate concentric rings forming annual rings. |
| e. | It has lower density. |
Choose the correct answer from the options given below:
1. (c), (d) and (e) Only
2. (a), (b), (d) and (e) Only
3. (a), (c), (d) and (e)Only
4. (a), (b) and (d) Only
Match List-I with List-II.
| List-I | List-II | ||
| (a) | Metacentric chromosome | (i) | Centromere situated close to the end forming one extremely short and one very long arms |
| (b) | Acrocentric chromosome | (ii) | Centromere at the terminal end |
| (c) | Sub-metacentric | (iii) | Centromere in the middle forming two equal arms of chromosomes |
| (d) | Telocentric chromosome | (iv) | Centromere slightly away from the middle forming one shorter arm and one longer arm |
Choose the correct answer from the options given below:
| (a) | (b) | (c) | (d) | |
| 1. | (i) | (ii) | (iii) | (iv) |
| 2. | (iii) | (i) | (iv) | (ii) |
| 3. | (i) | (iii) | (ii) | (iv) |
| 4. | (ii) | (iii) | (iv) | (i) |
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