Practice – VIDYA

Practice Questions

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Q1SingleMarks: 4.00Negative: -1.00

Two genes A and B are linked. In a dihybrid cross involving these genes, the F₁ heterozygote is crossed with the homozygous recessive parental type (aabb). What would be the ratio of offspring in the next generation?

A. 3:1B. 9:3:3:1C. 1:1D. 1:1:1:1

Q2MatchMarks: 4.00Negative: -1.00

Match the Following:

A		B
1.	Metacentric chromosome	A.	Centromere nearer to one end
2.	Sub-metacentric chromosome	B.	Centromere close to its end
3.	Acrocentric chromosome	C.	Terminal centromere
4.	Telocentric chromosome	D.	Middle centromere

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

Q3SingleMarks: 4.00Negative: -1.00

Which of the following statements is incorrect?

A. Schleiden observed that all plants are composed of various types of cells.B. Schwann proposed that animals and plants are composed of cells and cell products.C. Schleiden found that plant cells have a cell wall.D. Rudolf Virchow proposed the concept of Omnis cellula e cellula.

Q4SingleMarks: 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

Q5ImageMarks: 4.00Negative: -1.00

Which of the following is correctly labelled?

A. A= Outer membrane, B= Crista, C= Matrix, D= Inter-membrane space, E= Inner membraneB. A= Outer membrane, B= Inner membrane, C= Matrix, D= Inter-membrane space, E= CristaC. A= Outer membrane, B= Inter-membrane space, C= Matrix, D= Inner membrane E= CristaD. A= Outer membrane, B= Inner membrane, C= Crista, D= Matrix, E= Inter-membrane space

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