Biology
Name the following:
(a) The category of organisms that prepare their own food from basic raw materials.
(b) The kind of plastids found in the mesophyll cells of the leaf.
(c) The compound which stores energy in the cells.
(d) The first form of food substance produced during photosynthesis.
(e) The source of CO2 for aquatic plants.
(f) The part of chloroplast where the dark reaction of photosynthesis takes place.
Related Questions
Assertion (A): Phosphorylation occurs in all organisms only during the process of respiration.
Reason (R): Photophosphorylation is the process during which ADP combines with inorganic phosphate (iP) and produces ATP.
- Both A and R are True
- Both A and R are False
- A is True and R is False.
- A is False and R is True.
Assertion (A): A plant should be placed in dark for 24 to 48 hours before using it for experiments on photosynthesis.
Reason (R): During this period, all the starch from the leaves, is either utilized in the process of respiration or stored in the storage organs.
- A is True and R is False.
- A is False and R is True.
- Both A and R are True.
- Both A and R are False.
Given below are groups of terms. In each group, the first pair indicates the relationship between the two terms. Complete the second pair accordingly.
(a) Chlorophyll : Magnesium :: Haemoglobin : …………… .
(b) Light reaction : Granum :: Dark reaction : …………… .
(c) Producers : Autotrophs :: Consumers : …………… .
(d) Respiration : Carbon dioxide :: Photosynthesis : …………… .
(e) Water and minerals : Xylem :: Prepared food : …………… .
Given below is the internal structure of chloroplast. Read the information given ahead and fill in the blanks:
The chloroplast is an important cellular structure located in the green parts of the plant. It is covered by a double layered membrane. The main function of chloroplast is to prepare food material for all the parts of plant during daytime.
The chloroplast is a kind of (a) …………… suspended in the cytoplasm of the plant cells. It contains a vital pigment (b) …………… which traps solar energy for the process of (c) …………… . The photochemical phase of photosynthesis occurs in (d) …………… of granum and the biosynthetic phase occurs in the (e) …………… of chloroplast.