Practice Questions

TLS Online TPP Program

#Question id: 7313

Which of the following statement incorrect about the meristem?

#Unit 5. Developmental Biology

Meristems are clusters of cells that allow the basic body pattern established during embryogenesis to be reiterated and extended after germination.
Apical meristems occur at the growing shoot and root tips.
Root apical meristems produce the root cap, which consists of lubricated cells that are sloughed off as the meristem is pushed through the soil by cell division and elongation in more proximal cells.
New shoot apical meristems are initiated from tissue within the core of the root and emerge through the ground tissue and dermal tissue.

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TLS Online TPP Program

#Question id: 4829

#Unit 8. Inheritance Biology

Plant with genotype AaBb is selfed . the two gene are linked and are 50 map units apart. What proportion of progeny will have the genotype aabb?

TLS Online TPP Program

#Question id: 4830

#Unit 8. Inheritance Biology

Blue flower is dominant over white flower and long pollen is dominant over short pollen. A pure line plant with Blue flower and long pollen was cross with white flower and short pollen. F1 plant was allowed to test cross to produced numerous Offspring in following number

Blue flower and long pollen 2000

Blue flower and short pollen 500

White flower and long pollen 500

White flower and short pollen 2000

What is approximate distance between Flower color gene and pollen length gene?

TLS Online TPP Program

#Question id: 4831

#Unit 8. Inheritance Biology

There are 4 pairs of chromosomes in a Drosophila.The linkage groups present in it are

TLS Online TPP Program

#Question id: 4832

#Unit 8. Inheritance Biology