In case of sea urchin, fertilization envelope forms from___

TLS Online TPP Program

#Question id: 3516

#Unit 8. Inheritance Biology

Cross allowed between pure line tall plant with pure line dwarf plant , all F1 having tall phenotype were allowed to self to produced  200 plant The number of F2 plant having pure line tall phenotype?

TLS Online TPP Program

#Question id: 262

#Unit 1. Molecules and their Interaction Relevant to Biology

Changes in the topology and three-dimensional shape of B-DNA can result from

TLS Online TPP Program

#Question id: 19457

#Unit 13. Methods in Biology

Which microscopy can be used for viewing live cells and unstained tissues?

1. Fluorescence microscopy

2. Phase contrast microscopy

3. Dark field microscopy

4. Differential interference microscopy

5. Confocal microscopy

Which of the above combinations of microscopy is correct?

TLS Online TPP Program

#Question id: 12298

#Unit 10. Ecological Principles

The number of offspring an individual produces over its lifetime is _______________.

TLS Online TPP Program

#Question id: 10329

#Unit 9. Diversity of Life Forms

If birds are excluded from the class Reptilia, the term that consequently describes the class Reptilia is