Explain the following terms:
Guttation
Guttation is the exudation of cell sap through specialised openings, i.e. hydathodes present along the margins of leaves.
Given below is a set of terms arranged in a logical sequence, representing a process or a function. Of these, one term is incorrect. Identify the incorrect term and replace it with the correct term. One has been done for you as an example.
E.g. Pollen grain → Exine → Staminal tube →Male gametes → Micropyle
Incorrect term – Staminal tube.
Correct term – Pollen tube
Oxygen → Stoma → Respiratory cavity → Mesophyll cells → Oxidation of glucose →2 ATP
Given below is a set of terms arranged in a logical sequence, representing a process or a function. Of these, one term is incorrect. Identify the incorrect term and replace it with the correct term. One has been done for you as an example.
E.g. Pollen grain → Exine → Staminal tube →Male gametes → Micropyle
Incorrect term – Staminal tube.
Correct term – Pollen tube
Seminiferous tubule → Sperm → Sperm duct → Accessory glands → Semen →Ureter
State whether the following statements are true or false. If false, write the correct statement by changing the incorrect word/words only.
A.
The process of fusion of the sperm nucleus and the egg nucleus is termed implantation.
Given below is a set of terms arranged in a logical sequence, representing a process or a function. Of these, one term is incorrect. Identify the incorrect term and replace it with the correct term. One has been done for you as an example.
E.g. Pollen grain → Exine → Staminal tube →Male gametes → Micropyle
Incorrect term – Staminal tube.
Correct term – Pollen tube
Soil water → Root hair → Cells of cortex → Epidermis → Xylem
Given below is a set of terms arranged in a logical sequence, representing a process or a function. Of these, one term is incorrect. Identify the incorrect term and replace it with the correct term. One has been done for you as an example.
E.g. Pollen grain → Exine → Staminal tube →Male gametes → Micropyle
Incorrect term – Staminal tube.
Correct term – Pollen tube
Pupil → Eye lens → Vitreous humour → Fovea → Auditory nerve
