The four elements making 99 % of living system are:

1. CHOS 2. CHOP
3. CHON 4. CNOP

Subtopic:  Element Analysis |
 87%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

The following diagram depicts the structure of a:


1. Nucleoside
2. Nucleotide
3. Nitrogen containing Monosaccharide
4. Glycoprotein

Subtopic:  Nucleic Acid: Nucleotides |
 84%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

How many types of nitrogenous bases are present in nucleic acid

(1)4

(2)3

(3)5

(4)6

Subtopic:  Double Helix : Watson & Crick Part 1 | Double Helix : Watson & Crick |
 67%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

The number of cyclic rings present in purines and pyrimidines are

(1)2,1 respectively

(2)1,2 respectively

(3)2,2 respectively

(4)1,1 respectively

Subtopic:  Double Helix : Watson & Crick Part 1 | Double Helix : Watson & Crick |
 80%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

How many phosphodiester bonds are present in 5’ATTTTTGG 3’ sequence of nucleotides

(1)7

(2)9

(3)8

(4)6

Subtopic:  Double Helix : Watson & Crick Part 2 | Double Helix : Watson & Crick |
 59%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Both the strands of the DNA are joined by

(1)Disulphide bond

(2)hydrogen bonds

(3)Glycosidic bonds

(4)phosphodiester bonds

Subtopic:  The DNA | Double Helix : Watson & Crick Part 1 | Double Helix : Watson & Crick Part 2 | Double Helix : Watson & Crick |
 73%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Which model explains the double helix nature of DNA

(1)Watson and Crick Model

(2)Gene Battery Model

(3)Sanger Sequencing

(4)Both A and C

Subtopic:  Double Helix : Watson & Crick Part 1 | Double Helix : Watson & Crick |
 94%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

The body meets the demand of essential amino acids through

(1) Food

(2) Body synthesised  on its own

(3) Both A and B

(4) None of these

Subtopic:  Different Amino Acids |
 78%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Which of the following is not the function of protein

(1)Act as hormones

(2)act as enzymes

(3)act as genetic material

(4)fight against infections

Subtopic:  Structural Organisation of Proteins |
 80%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Which of the following is the most abundant protein in the whole of the biosphere?

(1)Collagen

(2)Albumin

(3)RUBISCO

(4)Antibody

Subtopic:  Introduction to Proteins |
 90%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch