Select the correct sentence.
Mohan took a toothpick and gently scrapped the inner side of cheeks. He then placed the contents of toothpick on a glass slide and added a drop of methylene blue stain to it. He then carefully placed a coverslip over slide and observed the slide under microscope. The given illustration represents observation made by Mohan.
The large, darkly stained region of cheek cell represents
Vacuole
Nucleus
Cytoplasm
Plastid
Select the parts seen only in plant cells.
Functions of chromoplasts is to give bright colour there by1. Attract insects for pollination
2. Attract birds and animals for seed dispersal
3. Attract microorganisms for reproduction
4. Attract human beings for pollination.
In a plant cell nucleus is mostly found at the periphery instead of being in center like in an animal cell because-
Of presence of chloroplast
Of presence of large vacuole
Of comparitively less cytoplasm present in plant cell
Of comparitively more cytoplasm present in plant cell
Name the type of enzymes present in Mitochondria.
Respiratory enzymes
The cell theory was suggested by-
Robert Brown.
Anton Van Leeuwenhoek.
Robert Hooke.
Shleiden & Schwann
