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).
1. Question
Study the four statements (i-iv) given below and select the two correct ones out of them.
- A lion eating a deer and a sparrow feeding on grains are ecologically similar in being consumers .
- Predator star fish Pisaster help in maintaining species diversity of some invertebrates.
- Predators ultimately lead to the extinction of prey species.
- 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)
Correct Answer
Wrong Answer
2. Question
In the diagram given below identify A, B, C, D :
B – Angiosperm
A –Mosses
C – Algae
All
Correct Answer
Wrong Answer
3. Question
Which one of the following are maximum number of species in Amazonian Rain forest
Plants
Amphibians
Invertebrates
Fishes
Correct Answer
Wrong Answer
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
Correct Answer
Wrong Answer
5. Question
In E. coli, during lactose metabolism, in absence of inducer, repressor protein binds to :
Regulator gene
Operator
Structural gene
Promoter
Correct Answer
Wrong Answer
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
Correct Answer
Wrong Answer
7. Question
Transgenic animals may be useful for
Study of normal physiology and development
Study of disease
Producing biological products
All of the above
Correct Answer
Wrong Answer
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
Correct Answer
Wrong Answer
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
Correct Answer
Wrong Answer
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
Correct Answer
Wrong Answer
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)
Correct Answer
Wrong Answer
12. Question
Which is the connecting link between glycolysis and Kreb's cycle :
Iso-citric acid
α-ketoglutaric acid
Glucose
Acetyl Co-A
Correct Answer
Wrong Answer
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
Correct Answer
Wrong Answer
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
Correct Answer
Wrong Answer
15. Question
Recombination is completed in which phase of meiosis:
Leptotene
Zygotene
Pachytene
Diakinesis
Correct Answer
Wrong Answer
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
Correct Answer
Wrong Answer
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
Correct Answer
Wrong Answer
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
Correct Answer
Wrong Answer
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
Correct Answer
Wrong Answer
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