Compound pollen grains occur in

1.  Calotropis or asclepias

2.  Orchids

3.  Invasive

4.  Ephemeral

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4
Correct Answer :

Invasive


Explanation :
No Explanation available for this question

Tapetal cells are

1.  Glandular or amoeboid

2.  Glandular

3.  Invasive

4.  Ephemeral

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4
Correct Answer :

Glandular or amoeboid


Explanation :
No Explanation available for this question

The point of attachment of ovule of the funicle is known as

1.  Raphe

2.  Chalaza

3.  Micropyle

4.  Hilum

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4
Correct Answer :

Hilum


Explanation :
No Explanation available for this question

The arrangement of megaspores in a tetrad in an angiosperm is usually

1.  Decussate

2.  Tetrahedral

3.  Linear

4.  Isobilateral

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4
Correct Answer :

Linear


Explanation :
No Explanation available for this question

The number of cells in the polygonum type of embryo sac that degenerate after fertilization is

1.  4

2.  5

3.  6

4.  3

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4
Correct Answer :

5


Explanation :
No Explanation available for this question

When we homogenize any tissue in an acid the acid soluble pool represents:

1.  Cytoplasm

2.  Cell membrane

3.  Nucleus

4.  Mitochondria

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4
Correct Answer :

Cytoplasm


Explanation :
No Explanation available for this question

The most abundant chemical in living organisms could be:

1.  Protein

2.  Water

3.  Sugar

4.  Nucleic acid

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4
Correct Answer :

Water


Explanation :
No Explanation available for this question

A homopolymer has only one type of building block called monomer repeated ‘n’ number of times. A heteropolymer has more than one type of monomer. Proteins are heterpolymers made of amino acids. While a nucleic acid like DNA or RNA is made of only 4 types of nucleotide monomers, proteins are made of:

1.  20 types of monomers

2.  40 types of monomers

3.  3 types of monomers

4.  Only one type of monomers

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4
Correct Answer :

20 types of monomers


Explanation :
No Explanation available for this question

Proteins perform physiological functions. For example, some functions as enzymes. One of the following represents an additional function that some proteins discharge:

1.  Antibiotics

2.  Pigment conferring colour to skin

3.  Pigments making colours of flowers

4.  Hormones

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4
Correct Answer :

Hormones


Explanation :
No Explanation available for this question

Glycogen is a homopolymer made of:

1.  Glucose units

2.  Galactose units

3.  Ribose units

4.  Aminoacids

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4
Correct Answer :

Glucose units


Explanation :
No Explanation available for this question
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