1 |
1 g of ammonia nitrogen requires how much water for excretion. |
50 ml
250 ml
100 ml
500 ml
|
2 |
Which one of the following is excretophore. |
Stem
Leaves
Roots
Bark
|
3 |
Hag fishes are |
Osmoregulators
Isotonic
Hypertonic
Hypotonic
|
4 |
Most cartilaginous fishes possess salt execrating organs known as the |
Coecal gland
Foetal gland
Rectal gland
Sebaceous gland
|
5 |
The fishes which drink large amount of sea water and excrete concentrated urine are. |
Cartilaginous fishes
Bony fishes
Lung fishes
Jawless fishes
|
6 |
Animals that do not require to adjust their internal osmotic state actively are known. |
Osmoregulators
Osmocorformers
Terrestrials
Hypertonic
|
7 |
Triethylamine Oxide is produced in. |
Hag Fish
Bony fish
Marine fish
Cartilaginous fish
|
8 |
Contractile vacuoles are found in. |
Plants
Fresh water protozoa
Marine plants
Pino cytosis
|
9 |
A diluted solution compared to the cell concentration is termed as. |
Hypertonic
<div>Hypotonic</div>
Isotonic
Paratonic
|
10 |
Which one is not a mesophyte. |
Brassica
Mango
Rose
Cacti
|
11 |
The most concentrated external environment is termed as. |
Hypotonic
Hypertonic
Osmotic
Isotonic
|
12 |
Which one is an example of Xerophytes. |
Brassica
Rose
Cactus
Mango
|
13 |
The category of plants that has adaptation of small and thick leaves to limit water loss is called. |
Hydrophytes
Xerophytes
Aygrophytes
Mesophytes
|
14 |
Sunkens stomata are found in which of the following group of plants. |
Hydrophytes
xerophytes
Bryophytes
Mesophytes
|
15 |
They have adaptations for reduced rate of transpiration. |
Halophytes
Hydrophytes
Mesophytes
Xerophytes
|
16 |
A plant is adapted to remove the flooding of its cells in fresh water. |
Mesophyte
Cactus
Hydrophyte
Xerophyte
|
17 |
The protection of internal environment from the harms of fluctuation in external environment is termed as. |
Osmoregulation
Excretion
Thermoregulation
Homeostasis
|