Easy
974 likes
Question
Liquid Nitrogen and -196℃ temperature are used in Cryopreservation.
WBBSE
Class X
Life Science
05 (d) Biodiversity and Its Conservation
1 Marks
2024
Answer
True.
Explanation:
Cryopreservation involves preserving biological samples like cells, tissues, or seeds at extremely low temperatures to stop all metabolic activities and maintain viability over long periods. Liquid nitrogen at -196℃ is commonly used for this purpose to keep the samples in a suspended state without damage.
Related Questions
More WBBSE Easy level questions
1/12
Easy
568
Q.
Which one of the following is an incorrect food chain? (a) Grass → Rabbit →...
A.
(c) Grass → Cow → Man → Tiger Explanation: A correct food...
View Question
Easy
626
Q.
The smallest unit of an ecosystem containing both biotic and abiotic factors is— (a) A...
A.
(d) A pond Explanation: A pond contains both biotic (plants, animals, microorganisms)...
View Question
Moderate
531
Q.
Which aspect is the most emphasized in Project Crocodile launched for crocodile conservation?
A.
The most emphasized aspect in Project Crocodile is increasing the population of...
View Question
Easy
642
Q.
Write the names of two national parks of West Bengal.
A.
Sundarban National Park and Jaldapara National Park. Explanation: Sundarban is famous for...
View Question
Easy
652
Q.
Write an example of a proteolytic enzyme.
A.
Trypsin is an example of a proteolytic enzyme. Explanation: Proteolytic enzymes help...
View Question
Easy
822
Q.
Give an example of an ornithophilous (bird-pollinated) flower.
A.
Example – Shimul or Mango. Explanation: Ornithophilous flowers are pollinated by birds...
View Question
Easy
658
Q.
Write one function of collenchyma tissue
A.
Collenchyma tissue provides mechanical support and elasticity to plant organs. Explanation: The...
View Question
Easy
781
Q.
What is the function of lysosome?
A.
Lysosome helps in intracellular digestion by containing digestive enzymes. Explanation: Lysosomes act...
View Question
Easy
556
Q.
Write one feature of connective tissue.
A.
Connective tissue connects different tissues and organs of the body and provides...
View Question
Moderate
611
Q.
One of the environmental problems of Sunderbans is imbalance in prey – predator number —...
A.
Imbalance in Prey–Predator Number in Sundarbans One of the major environmental problems...
View Question
Moderate
502
Q.
Explain the following three problems related to ever-increasing human population
A.
Problems Related to Ever-Increasing Human Population Over-exploitation and depletion of natural resources:...
View Question
Moderate
935
Q.
‘Scarcity of food and poaching are two main reasons behind the endangeredness of a mammal...
A.
Scarcity of food limits the survival and reproduction of mammals, weakening their...
View Question