NEET Biology | Daily MCQs Practice Questions | 30 July 2024 | NEET Exam

Engage with NEET Biology Daily MCQs Practice Questions for NEET exam preparations through daily updated online quiz (30 July 2024).

Jul 30, 2024 - 22:38
Aug 6, 2024 - 09:15
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1. Question

Study the four statements (i-iv) given below and select the two correct ones out of them.

  1. A lion eating a deer and a sparrow feeding on grains are ecologically similar in being consumers .
  2. Predator star fish Pisaster help in maintaining species diversity of some invertebrates.
  3. Predators ultimately lead to the extinction of prey species.
  4. Production of chemicals such as nicotine, strychnine by the plants are metabolic disorders.

The two correct statements are :

(ii) and (iii)

(iii) and (iv)

(i) and (iv)

 (i) and (ii)

2. Question

In the diagram given below identify A, B, C, D :

B – Angiosperm

 A –Mosses

C – Algae

All

3. Question

Which one of the following are maximum number of species in Amazonian Rain forest

Plants

Amphibians

Invertebrates

Fishes

4. Question

 How many MTP are performed in a year all over the world :

4.5 to 5 million

450 to 500 million

4 to 5 million

45 to 50 million

5. Question

 In E. coli, during lactose metabolism, in absence of inducer, repressor protein binds to :

Regulator gene

Operator

Structural gene

Promoter

6. Question

If a sample of B-DNA containes 100000 Nucleosome then what is the length of B-DNA sample :

0.68 mm

6.8 mm

 0.68 cm

Both 2 and 3

7. Question

Transgenic animals may be useful for

Study of normal physiology and development

 Study of disease

Producing biological products

All of the above

8. Question

Given below are two statements
Statement I: Some plasmids may have only one or two copies per cell whereas others may have 15–100 copies per cell.
Statement II: Plasmids and Bacteriophage have the ability to replicate within bacterial cells independent of the control of chromosomal DNA.

Choose the correct answer from the option given below:

Both Statement I and Statement II are incorrect

Statement I is correct but Statement II is incorrect

 Statement I is incorrect but Statement II is correct

Both Statement I and Statement II are correct

9. Question

Which of the following statement is true During photosynthesis

Several factors interact and simultaneously affect photosynthesis

Usually one factor is the major cause and limit the rate

At any point the rate will be determined by the factor available at sub optimal levels

All of these are true

10. Question

Given below are two statements

Statement I: Closely located genes assorted together and distantly located genes, due to recombination assorted independently.
Statement II : Many genes were linked to sexes also and called sex-linked genes.

Choose the correct answer from the option given below:

Both Statement I and Statement II are incorrec

Statement I is correct but Statement II is incorrect

Statement I is incorrect but Statement II is correct

Both Statement I and Statement II are correct

11. Question

Assertion (A): The Human Heart are myogenic type
Reason (R): In Human Heart intercalated disc are present

Both (A) and (R) are true but (R) is not the correct explanation of (A)

(A) is true but (R) is false

(A) is false but (R) is true

Both (A) and (R) are true and (R) is the correct explanation of (A)

12. Question

Which is the connecting link between glycolysis and Kreb's cycle :

Iso-citric acid

α-ketoglutaric acid

Glucose

Acetyl Co-A

13. Question

 In tissue pO2 and pCO2 are respectively :

45 mmHg and 40 mmHg

40 mmHg and 45 mmHg

40 mmHg and 40 mmHg

45 mmHg and 45 mmHg

14. Question

 If the sequence of m-RNA is
        AUGUUUCUUAUUAUAUCU

Then what is the sequence of amino acid in polypeptide chain :

Met-Phe-Leu-Ile-Ile-Ser

Met-Leu-Phe-Ile-Ile-Ser

Met-Leu-Ile-Phe-Ile-Ser

Met-Phe-Leu-Ile-Ser-Ile

15. Question

 Recombination is completed in which phase of meiosis:

Leptotene

Zygotene

Pachytene

Diakinesis

16. Question

 Select the correct option, which represents the homopolysaccharides made up of glucose monomers:

 Sucrose, lactose, maltose

Chitin, glycogen, starch

Starch, inulin, peptidoglycan

 Starch, glycogen, cellulose

17. Question

 Given below are two statements
Statement I: The reserve material in prokaryotic cell are stored in the cytoplasm in the form of inclusion bodies.
Statement II : Besides flagella, pili and fimbriae are also surface structures of the bacteria but do not play a role in motility.

Choose the correct answer from the option given below:

Both Statement I and Statement II are incorrect

Statement I is correct but Statement II is incorrect

Statement I is incorrect but Statement II is correct

 Both Statement I and Statement II are correct

18. Question

 Given below are two statements
Statement I: Adult Human haemoglobin consist of 8 sub units.
Statement II : The enzymes isolated from organisms who normally live under extremely high temperatures (e.g. hot vents and sulphur springs), are stable and retain their catalytic power at high temperatures (up to 800–900C).

Choose the correct answer from the option given below:

 Both Statement I and Statement II are incorrect

Statement I is correct but Statement II is incorrect

Statement I is incorrect but Statement II is correct

Both Statement I and Statement II are correct

19. Question

Given below are two statements
Statement I: JGA is a special sensitive region formed by cellular modifications in the distal convoluted tubule and the afferent arteriole at the location of their contact.
Statement II: Tubular secretion is also an important step in urine formation as it help in the maintenance of ionic and acid base balance of body fluids.

Choose the correct answer from the option given below:

Both Statement I and Statement II are incorrect

 Statement I is correct but Statement II is incorrect

Statement I is incorrect but Statement II is correct

Both Statement I and Statement II are correct

20. Question

Select the incorrect statement for Abscisic acid

It acts as a general plant growth inhibitor and an inhibitor of plant metabolism

ABA inhibits seed germination

 ABA helps seeds to withstand desiccation and other factors unfavourable for growth

In most situation, ABA act as an antagonist to ethylene