NEET UG Biology MCQ Practice

Practice Questions

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Q1SingleMarks: 4.00Negative: -1.00

Which statement is true regarding the size of ribosomes in chloroplasts and cytoplasm?

A. Cytoplasmic ribosomes are smaller (70S) than chloroplast ribosomes (80S).B. Chloroplast ribosomes are smaller (70S) than cytoplasmic ribosomes (80S).C. Chloroplast and cytoplasmic ribosomes are equal-sized and 80S.D. Chloroplast and cytoplasmic ribosomes are equal-sized and 70S.

Q2SingleMarks: 4.00Negative: -1.00

ZZ/ZW type of sex determination is seen in:

A. SnailsB. CockroachC. PeacockD. Platypus

Q3MatchMarks: 4.00Negative: -1.00

Match the following:

A		B
1.	Powerhouse of cell	A.	Vacuole
2.	Suicidal bag	B.	Chloroplast
3.	Tonoplast	C.	Mitochondria
4.	Thylakoids	D.	Lysosome

A. 1-B, 2-C, 3-D, 4-AB. 1-C, 2-D, 3-A, 4-BC. 1-A, 2-C, 3-B, 4-DD. 1-D, 2-A, 3-B, 4-C

Q4SingleMarks: 4.00Negative: -1.00

In a dihybrid cross, if you get a 9:3:3:1 ratio, it denotes that:

A. It is a multigenic inheritanceB. The alleles of two genes are interacting with each otherC. It is a case of multiple allelismD. The alleles of two genes are segregating independently

Q5SingleMarks: 4.00Negative: -1.00

Mendel's law of independent assortment holds good for genes situated on:

A. Extra-nuclear genetic elementsB. Non-homologous chromosomesC. The same chromosomeD. Homologous chromosomes

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