Heterocysts present in Nostoc is specialised for

(1) fragmentation

(2) nitrogen-fixation

(3) symbiotic relation

(4) food storage

Concept Questions :-

Kingdom Monera: Blue Green Algae
To view Explanation, Please buy any of the course from below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


Refer to the following figures.

Match the following columns and choose the correct option from the codes given below.

C-I

Column I

Column II

A

I. Euglena

I. kinetoplast

B

II. Paramecium

II. Trichocysts

C

III. Trypanosoma  

III. Astaxanthin

Codes:

 

A

B

C

(1)

3-II    

1-III     

2-I

(2)

1-II

3-I

2-I

(3)

1-III

2-II

3-I

(4)  

3-I

2-II

1-III

Concept Questions :-

To view Explanation, Please buy any of the course from below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


The given below figure shows a generalised life cycle of a fungus. Identify A, B and C from the given option.

 

A

B

C

(1)

Meiosis  

Fertilisation   

Meiosis

(2)

Meiosis

Mitosis

Fertilisation

(3)

Mitosis

Meiosis

Fertilisation

(4)  

Mitosis

Fertilisation

Meiosis

 

Concept Questions :-

Kingdom Fungi:: Introduction
Kingdom Fungi:: Sexual Reproduction in Fungi
To view Explanation, Please buy any of the course from below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


Read the following statements regarding archaebacteria.

I. Their cell wall lacks peptidoglycan.

II. They contain membrane bound organelles.

III. These have distinct ribosomal RNA sequence.

IV. Lipid in cell membrane of archaebacteria have different structure than those in all other organisms.

Choose the incorrecct option.

(1) I and II

(2) Only II

(3) Only IV

(4) III and IV

Concept Questions :-

Kingdom Monera: Bacterial Classification
To view Explanation, Please buy any of the course from below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


A bacterium divides every 35 minutes. If a culture containing 105 cells/mL is grown for 175 minutes, what will be the cell concentration/mL after 175 minutes?

(1) 5 × 105 cells

(2) 35 × 105 cells

(3) 32 × 105 cells

(4) 4.175 × 105 cells

To view Explanation, Please buy any of the course from below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


Dikaryotisation (n + n) in Agaricus is brought about by

(1) clamp connections

(2) somatogamay between two hyphae of different strains

(3) Both (1) and (2) are correct

(4) basidiospores

Concept Questions :-

Kingdom Fungi: Basidomycetes
To view Explanation, Please buy any of the course from below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


Phylogenetic system of classification includes

(1) evolutionary trends only

(2) genetic trends only

(3) evolutionary trend as well as morphology

(4) behavioural trends in environment

Concept Questions :-

Different Classification System
To view Explanation, Please buy any of the course from below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


'Red tide' is caused by

(1) Gonyaulax

(2) Ceratium

(3) Triceratium

(4) All of these

Concept Questions :-

Kingdom protista: Dinoflagellates
To view Explanation, Please buy any of the course from below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


Which one of the following shows heterothallism?

(1) Rhizopus

(2) Bacterium

(3) Cycas

(4) Ricinus

Concept Questions :-

Kingdom Fungi: Zygomycetes
To view Explanation, Please buy any of the course from below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


Which of the following is a 'cyanophage'?

(1) S-13

(2) ϕ×174

(3) SV-40

(4) LPP-1

To view Explanation, Please buy any of the course from below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level: