Match the Algal genera in List-I with their characteristic features in List-II.

List-I (Genera)	List-II (Feature)
A. Volvox	I. Coenobial colony (Motile)
B. Hydrodictyon	II. Water Net (Non-motile Coenobium)
C. Ectocarpus	III. Isomorphic Alternation of Generations
D. Polysiphonia	IV. Triphasic Life Cycle (Haplobiontic)

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#Question id: 5762

#Applied Microbiology

An individual cell homozygous for a mutant allele of the gene for a human enzyme contains no detectable activity for that enzyme. The mutation is best described as

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#Question id: 5763

#Applied Microbiology

A mutation that causes a mutant phenotype only under restrictive conditions

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#Question id: 5765

#Applied Microbiology

How many different trisomics could be formed in a plant with a diploid number of 12?

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#Question id: 5766

#Applied Microbiology

Turner syndrome in humans is caused by which chromosomal conditions?

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#Question id: 5767

#Applied Microbiology

 An enzyme that repairs thymine dimers in visible light in E. coli

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#Question id: 5768

#Applied Microbiology

Exposure to gamma radiation leads to severe damage to DNA.  The bacterium Deinococcus radiodurans is able to survive exposure to levels of gamma radiation that would kill any other known organism.  This organism is able to survive because