Ecological pyramids represent the relationship between the organisms at different trophic levels and they are generally inverted for:
Pyramid of number in grassland
Pyramid of energy in pond ecosystem
Pyramid of biomass in grassland
Pyramid of biomass in sea
Choose the correct statement regarding GIFT to overcome infertility.
Ova collected from a female donor are transferred to the uterus of an infertile female.
Early embryos with up to 8 blastomeres are transferred to the uterus of an infertile female.
Early embryos with up to 8 blastomeres are transferred into the fallopian tube of an infertile female.
It is the transfer of an ovum collected from a donor into the fallopian tube of another female who cannot
Choose the correct statements regarding cell organelles and their inclusions.
A. The endomembrane system includes Golgi complex, endoplasmic reticulum and mitochondria.
B. Rough endoplasmic reticulum bears ribosomes on its surface.
C. Both mitochondria and plastids have circular DNA.
D. A network of microtubules, microfilaments and intermediate filaments present in the cytoplasm is called cytoskeleton.
E. Mitochondrion is a single membrane-bound structure.
Choose the correct answer from the options given below :
A and B only
A, B and C only
C, D and E only
B, C and D only
Select the correct statements regarding cell membrane in eukaryotic cell.
A. Membrane of human RBCs has approximately $52 \%$ protein.
B. Major phospholipids are arranged in a bilayer.
C. Extensions of the plasma membrane into the cell form mesosomes.
D. Tails towards the inner part of lipids are hydrophobic and thus protected from aqueous medium.
E. Glycocalyx is present on the outer surface of the plasma membrane.
Choose the correct answer from the options given below:
C, D and E only
B, C and E only
A, B and D only
A, C and E only
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