Practice Questions

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#Question id: 5341

Which of the following is incorrect statement regarding sex determination in drosophila?

#Unit 8. Inheritance Biology

It is based on haplo-diploidy sex determination
Presence of the Y chromosome does not determine maleness in Drosophila
It is determine by the number of X chromosomes divided by the number of haploid sets of autosomal chromosomes
Transformer mutation converts a female with an X:A ratio of 1.0 into a phenotypic male

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TLS Online TPP Program

#Question id: 16479

#Unit 12. Applied Biology

Organotypic cultures are type of cultures which

TLS Online TPP Program

#Question id: 18370

#Unit 12. Applied Biology

Corn, wheat, soybean, peas, and beans are few crops which are used as hyperaccumulators as they can

TLS Online TPP Program

#Question id: 16790

#Unit 13. Methods in Biology

For the moderately symmetrical distribution of age of the employees, mean = 20 and mode = 25. The approximate value of the median is:

TLS Online TPP Program

#Question id: 22949

#Unit 5. Developmental Biology

How CONSTANS gene and its encoded protein involved in translating day length into a signal that converts a vegetative shoot meristem into a floral meristem?

TLS Online TPP Program

#Question id: 18972

#Unit 9. Diversity of Life Forms

Beginning with the germination of a moss spore, what is the sequence of structures that develop after germination?

1. Embryo 2. Gametes

3. Sporophyte 4. Protonema