Arrange the following plants in ascending order based on the number of xylem strands in their roots (I) Trapa (II) Pisum III) Castanea (IV) Nicotiana

1. II, IV, III, I

2. III, IV, II, I

3. IV, III, I, II

4. I, IV, II, III

View Answer

Correct Answer :

I, IV, II, III

Explanation :
No Explanation available for this question

Identify the correct pair of events when temperate phages infect bacteria (I) No prophages are formed (II) Bacterial cell undergoes many divisions (III) Bacterial cell undergoes immediate lysis (IV) Prophages are formed The correct pair is

1. I, II

2. II, III

3. III, IV

4. II, IV

View Answer

Correct Answer :

II, IV

Explanation :
No Explanation available for this question

Which one of the following is the correct sequence of tissues present in dicot stem during secondary growth

1. Phellogen, cork, primary cortex, secondary cortex

2. Cork, primary cortex, secondary coretx, phellogen

3. Primary cortex, secondary cortex, phellogen, cork

4. Secondary cortex, cork, phellogen primary cortex

View Answer

Correct Answer :

Primary cortex, secondary cortex, phellogen, cork

Explanation :
No Explanation available for this question

The source of intoxicating bevera called 'Saky' is

1. Sorghum vulgare

2. Arachis hypogea

3. Oryza sativa

4. Mangifera indica

View Answer

Correct Answer :

Oryza sativa

Explanation :
No Explanation available for this question

The osmotic potential and pressure potential of three cells (A, B, C) located in different parts of an actively transpiring plant are given below Cell Osmotic Potential (MPa) Pressure A 0.87 0.44 B 0.92 0.34 C 0.68 0.27 The correct answer is

1. A, B, C

2. A, C, B

3. C, A, B

4. B, C, A

View Answer

Correct Answer :

C, A, B

Explanation :
No Explanation available for this question

Read the following table (I) DCMU Herbicide Inhibitor of Non-cyclic electron transport (II) PMA Fungicide Reduce transpiration (III) Colchicine Alkaloid Causes male sterility (IV) Soilrite Sodium alginate Encapsulation of somatic embryos Identify the correct pair of answer

1. I, II

2. I, III

3. II, III

4. II, IV

View Answer

Correct Answer :

I, II

Explanation :
No Explanation available for this question

The number of stomata and epidermal cells in 1 mm2 leaf area of lower epidermis of the leaves of X,Y and Z plants are given below.Arrange the plants in decreasing order of the i-stomatal Index Plant Number of Stomata Number of Epidermal cells X 30 150 Y 60 240 Z 90 400

1. X, Y, Z

2. Y, Z, X

3. Z, Y, X

4. Y, X, Z

View Answer

Correct Answer :

Y, Z, X

Explanation :
No Explanation available for this question

Assume that an actively respiring cell has 3x number of K+ in its cytoplasm and 2x number of K+ outside. After some time, x number of K+ entered into the cell. What is the process by which K+ transport has taken place

1. Primary active transport

2. Secondary active transport

3. Diffusion

4. Passive transport

View Answer

Correct Answer :

Secondary active transport

Explanation :
No Explanation available for this question

Four respiratory enzymes are given below. Arrange them in increasing order of the carbon number of the substrates on which they act: (I)Enolase (II)Aconitase (III)Fumerase (IV)Alcohol dehydrogenase The correct order is:

1. II, IV, III, I

2. IV, I, II, III

3. I, IV, III, II

4. IV, I, III, II

View Answer

Correct Answer :

IV, I, III, II

Explanation :
No Explanation available for this question

The ratio between 2-carbon and 3-carbon intermediates having -NH2 group formed in photosynthetic oxidation cycle is

1. 1: 1

2. 2: 1

3. 3: 2

4. 3 : 4

View Answer

Correct Answer :

2: 1

Explanation :
No Explanation available for this question

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