Identify a character that is not unique to archaebacteria:

(1) Cell wall structure

(2) Cell membrane structure

(3) Flagellin protein structure

(4) Fatty acid synthetase present

Subtopic:  Kingdom Monera: Bacterial Classification |
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints

Identify the incorrect statement regarding true bacteria?

(1) As a group, they exhibit maximum metabolic diversity

(2) Chemosynthetic autotrophic bacteria play a great role in recycling nutrients like nitrogen, phosphorous, iron and sulphur.

(3) Heterotrophic bacteria are the most abundant in nature.

(4) Bacteria reproduce mainly by fission but sometimes under favourable conditions, they produce spores.

Subtopic:  Kingdom Monera: Bacterial Reproduction |
 61%
From NCERT
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Consider the following statements regarding Mycoplasma:

I. They are a genus of bacteria that have a unique cell wall of their own.

II. In their genetic code UGA codes for tryptophan.

III. None of them is pathogenic to humans.

IV. They have a large genome.

V. They can be killed by penicillins.

VI. They can survive without oxygen

The number of correct statements is:

(1) 1

(2) 2

(3) 3

(4) 4

Subtopic:  Kingdom Monera: Actinomycetes & Mycoplasma |
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints

Diatoms have left behind large amounts of cell wall deposits in their habitat because:

(1) They are most abundant in that habitat

(2) Their life span is long 

(3) Their wall is indestructible

(4) The statement is not true

Subtopic:  Kingdom Protista: Chrysophytes |
 87%
From NCERT
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Dinoflagellates:

I. Are mostly marine and photosynthetic.

II. Have a cell wall that has stiff cellulose plates on the outer surface.

III. Have two flagella

IV. Have chloroplasts bound by three membranes

The correct statements are:

(1) I, II and III

(2) I, III and IV

(3) II, III and IV

(4) I, II III and IV

Subtopic:  Kingdom Protista: Dinoflagellates |
Please attempt this question first.
Hints
Links
Please attempt this question first.

Consider the following characters:

I. Heterotroph organisms

II. A dikaryon stage

III. Cell wall made of chitin

IV. Undergo nuclear mitosis

Which of the above relate to fungi?

(1) I, II and III

(2) I, III and IV

(3) II, III and IV

(4) I, II, III and IV

Subtopic:  Kingdom Fungi: Introduction |
 56%
From NCERT
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh

How many of the following statements regarding fungi are true?

I. Asexual reproduction is common by the formation of spores.
II. Their bodies consist of hyphae that many be interconnected to form mycelium.
III. They secrete digestive enzymes onto organic matter and then absorb the products of the digestion.
IV. Fungi can break down almost any carbon containing product.
V. Fungi do not enter symbiotic relationships.

1. 2

2. 3

3. 4

4. 5

Subtopic:  Kingdom Fungi: Introduction |
 54%
From NCERT
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Which of the following is not an edible mushroom?

(1) Agaricus bispora

(2) Pleurotus ostreatus

(3) Lentinula edodes

(4) Amantia phalloides

Subtopic:  Kingdom Fungi: Ascomycetes |
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints

Consider the following characters:

I. Nuclear envelope

II. Membranes lacking sterols

III. 80s ribosomes

IV. split genes

The character not shared by fungi with other eukaryotes is/are:

(1) II alone

(2) IV alone

(3) II and IV only

(4) III and IV only 

Subtopic:  Kingdom Fungi: Introduction |
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints

Fungi resemble plants in:

(1) Lack of chloroplasts and heterotrophic nutrition

(2) Reproduction by only sexual means

(3) Having a cell wall and vacuoles

(4) Exhibition of bioluminiscence

Subtopic:  Kingdom Fungi: Introduction |
 72%
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints