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#Question id: 8787


Which of the following statements is accurate, at least according to our present knowledge?

#Unit 9. Diversity of Life Forms
  1. Eukaryotes acquired nuclear genes only in the distant past; these genes can allow survival in anaerobic environments.
  2. Genes from prokaryotes have been acquired by some eukaryotes; these genes can allow survival in extreme environments.
  3. Prokaryotes acquired genes from eukaryotes many times; these genes can allow survival in extreme environments.
  4. Prokaryotes acquired genes from fungi; these genes can allow the digestion of cellulose.

     

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TLS Online TPP Program

#Question id: 8892

#Unit 9. Diversity of Life Forms

Which of the following correctly characterizes the phylum Rotifera?

TLS Online TPP Program

#Question id: 24181

#General Aptitude

French explorers probably taught the Inuit Eskimos how to play dominoes.

TLS Online TPP Program

#Question id: 23748

#General Aptitude

In India a widow can marry her brother-in-law although a man cannot marry the sister of his dead wife-

TLS Online TPP Program

#Question id: 5661

#Unit 5. Developmental Biology

Following statements regarding to the embryogenesis in A. thaliana.

A. The first zygotic division is unequal, with the basal cell larger than the apical cell. The basal cell divides to give rise to the suspensor. The apical cell divides vertically to form a two-celled proembryo, which will give rise to the rest of the embryo.

B. The top most suspensor cell is recruited into the embryo, where it is known as the hypophysis, and contributes to the embryonic root meristem and root cap.

C. The next two divisions produce an eight-cell octant-stage embryo, which develops into a heart-stage embryo of around 32 cells

D. The embryo elongates and the cotyledons start to develop as wing-like structures at one end, while an embryonic root forms at the other. This stage is known as the globular stage.

Which of the following statements are correct?

TLS Online TPP Program

#Question id: 18875

#Unit 9. Diversity of Life Forms

Assuming that they all belong to the same plant, arrange the following structures from smallest to largest. 
1. Antheridia 2. Gametes 
3. Gametophytes               4 .gametangia