Biology
Fill in the blanks with suitable words :
- Inside the nucleus, there is a small, spherical, darker body called …………… .
- The plastids which do not contain any pigment are called …………… .
- Cell wall is composed of …………… .
- …………… contain yellow and red pigments.
- The process of preparing food by the plants is known as …………… .
Related Questions
Which of the following are non-living cell inclusions ?
- Nucleolus
- Genes
- Vacuoles
- Chromosomes
Match the terms given in column A with those of column B :
Column A Column B (i) Paramecium (a) Cylindrical (ii) White blood cells (b) Spherical (iii) Smooth muscles (c) Amoeboid (iv) Spirogyra (d) Slipper-shaped (v) Red blood cells (e) Spindle-shaped Identify the cellular structures with the help of the following clues :
- It is a colourless, translucent, viscous liquid found between the cell membrane and nuclear membrane.
- It contains chromosomes.
- It traps solar energy for the process of photosynthesis.
- The selectively permeable, thin, delicate and flexible membrane.
- The hereditary unit which is located on the chromosomes.
Name the scientist who:
- developed a simple microscope.
- developed a compound microscope.