Briefly explain the following:
Osmosis
Osmosis is the movement of water molecules from a region of their higher concentration to a region of their lower concentration across a semipermeable membrane.
Given below are sets of five terms. Rewrite each term in the logical sequence. One example is done for you.
Example: Cortical cells, Root hair, Xylem, Soil water, Endodermis (absorption of water by plants)
(v) Renal vein, Renal artery, Afferent arteriole, Efferent arteriole, Glomerulus (pathway of blood through the glomerulus)
Given below are sets of five terms. Rewrite each term in the logical sequence. One example is done for you.
Example: Cortical cells, Root hair, Xylem, Soil water, Endodermis (absorption of water by plants)
Answer: Soil water, Root hair, Cortical cells, Endodermis, Xylem
(ii) Implantation, Parturition, Ovulation, Gestation, Fertilisation (stages leading to the formation of foetus and birth)
Given below are sets of five terms. Rewrite each term in the logical sequence. One example is done for you.
Example: Cortical cells, Root hair, Xylem, Soil water, Endodermis (absorption of water by plants)
Answer: Soil water, Root hair, Cortical cells, Endodermis, Xylem
Active immunity, Antigen, Antibody, Bacteria, Lymphocytes (defense mechanism of the body)
Given below are six sets with four terms each. In each set one term is an odd one. Identify the odd term in each set and name the category to which the remaining three belong. One example is done for you:
No. | Set | Odd one | Category |
Cell wall, large vacuole, plastids, centrosome |
centrosome |
Parts of an animal |
|
i |
Cerebrum, cerebellum, thalamus, hypothalamus |
||
ii |
Ovary, ureter, fallopian tube, uterus |
||
iii |
Adrenal gland, liver, thyroid gland, pituitary gland |
||
iv |
Malleus, pinna, incus, stapes |
||
v |
Haemophilia, colour blindness, albinism, night blindness |
Given below are sets of five terms. Rewrite each term in the logical sequence. One example is done for you.
Example: Cortical cells, Root hair, Xylem, Soil water, Endodermis (absorption of water by plants)
(iii) Oval window, Tympanum, Cochlea, Auditory canal, Ear ossicles (path through which vibration of sound is transferred in the human ear)
Given below are sets of five terms. Rewrite each term in the logical sequence. One example is done for you.
Example: Cortical cells, Root hair, Xylem, Soil water, Endodermis (absorption of water by plants)
(iv) Karyokinesis, S phase, Cytokinesis, G1 phase, G2 phase (cell cycle)