Parts of two plants were observed, structure A developed aerially and produces roots when comes in contact with the soil. Structure B develops from underground part of the stem, grows obliquely becomes aerial and produces roots on its lower surface. Identify, respectively the structures of A and B

1. Sucker, Stolon

2. Stolon, Runner

3. Stolon, Sucker

4. Runner, Stolon

View Answer

Correct Answer :

Stolon, Sucker

Explanation :
No Explanation available for this question

Study the following table: I Polyslphonous Pollen Floral nectaries Simple II Angular collocyte Monosiphonous Synandry III Inserted stamens Simple leaves Spines IV Exerted Stamens Reticulate divergent venation Pepo Select the correct pair of answers in which the former in the pair shows the set of characters present in Cucurbita and the latter in the pair shows the set of character absent in Acacia:

1. I and III

2. I and II

3. II and III

4. III and IV

View Answer

Correct Answer :

I and II

Explanation :
No Explanation available for this question

Arrange the following plants in the ascending order based in the number of carpels they possess : I.Oenothera II.Acacia melanoxylon III.Squill IV.Lettuce

1. IV, III, I, II

2. II, IV, III, I

3. II, III, IV, I

4. I, IV, III, II

View Answer

Correct Answer :

II, IV, III, I

Explanation :
No Explanation available for this question

In the fully organised polygonum type of embryosac, what is the ratio of haploid, diploid and triploid nuclei

1. 3:1:3

2. 6:0:1

3. 6:1:0

4. 3:2:3

View Answer

Correct Answer :

6:1:0

Explanation :
No Explanation available for this question

What type of cell division takes place in the functional megaspore initially in angiosperms

1. Homeotypic without cytokinesis

2. Reductional without cytokinesis

3. Somatic followed by cytokinesis

4. Meotic followed by cytokinesis

View Answer

Correct Answer :

Homeotypic without cytokinesis

Explanation :
No Explanation available for this question

Coffee plant has chormosome number of 2n in its somatic cells. What is the chromosome number in the edible part of coffee seed

1. n

2. 2n

3. 3n

4. 4n

View Answer

Correct Answer :

Explanation :
No Explanation available for this question

Two dry fruits (A and B) were observed. Both developed from unilocular ovaries of monocarpellary gynoecia. In fruit A, pericarp and seed coat are free. It liberated the seeds only after the disintegration of the pericarp. Fruit B dehisced dorsiventrally liberating the seeds. In the following the former in the pair represents A and latter B. To which types of fruits, A and B respectively belong

1. Achene and legume

2. Nut and follicle

3. Cypsela and siliqua

4. Pyxidium and septicidal capsule

View Answer

Correct Answer :

Achene and legume

Explanation :
No Explanation available for this question

In which one of the following the usual taxonomic hierarchy is not followed

1. Polypetalae and Gamopetalae

2. Gamopetalae and Monochlamydae

3. Monochlamydae and Monocots

4. Polypetalae and Monocots

View Answer

Correct Answer :

Monochlamydae and Monocots

Explanation :
No Explanation available for this question

Assertion (A) : A morphology based approach to taxonomy is called 'alpha taxonomy' and it is old fashioned. Reason (R) : A multi-disciplinary approach to taxonomy called 'Omega taxonomy' is favoured in recent years, as it excludes morphological features.

1. A and R are true and R is the correct explanation of A

2. A and R are true but R is not the correct explanation of A.

3. A is true but R is false.

4. A is false but R is true

View Answer

Correct Answer :

A is true but R is false.

Explanation :
No Explanation available for this question

The raw material obtained from which one of the following plants is used in paper making

1. Jerusalem artichoke

2. Oryza sativa

3. Sorghum vulgare

4. Butea monosperma

View Answer

Correct Answer :

Sorghum vulgare

Explanation :
No Explanation available for this question

Previous Next

Interview Questions

MongoDB

Java Script

Node JS

PHP

JQuery

Python