A student wishes to study the cell structure under a light microscope having 10X eyepiece and 45X objective . He should illuminate the object by which one of the following colours of light so as to get the best possible resolution?
Blue
Green
Yellow
Red
Number of chromatids at metaphase is
Two each in mitosis and meiosis
Two in mitosis and one in meiosis
Two in mitosis and four in meiosis
One in mitosis and two in meiosis
Lampbrush chromosomes occur during
Prophase of mitosis
Diplotene of meiosis
Metaphase of meiosis
Interphase
Ribosomes are produced in
Nucleolus
Cytoplasm
Mitochondria
Golgi body
Crossing over that results in genetic recombination in higher organisms occur between
Sister chromatids of bivalent
Non-sister chromatids of a bivalent
Two daughter nuclei
Two different bivalents
Ribosomes are the centre for
Respiration
Photosynthesis
Protein synthesis
Fat synthesis
Membranous bag with hydrolytic enzymes which is used for controlling intracellular digestion of macromolecules is
Endoplasmic reticulum
Nucleosome
Lysosome
Phagosome
Flagella of prokaryotic and eukaryotic cells differ in
Type of movement and placement in cell
Location in cell and mode of functioning
Microtubular organization and type of movement
Microtubular organization and function .
The cell organelle involved in glycosylation of protein is
Ribosome
Peroxisome
In the somatic cell cycle
In G1 - phase DNA content is double in the amount of DNA tresent in the original cell
DNA replication takes place in S-phase
A short interphase is followed by a long mitotic phase
G2- phase follows mitotic phase