Question 26.
Fungi can grow on:
(a) pickles:
(b) leather and clothes:
(c) dead and decaying matter:
(d) all of these
(d) all of these
Question 27.
Insectivorous plants are found in:
(a) marshy areas
(b) deserts areas
(c) aquatic areas
(d) mesophytes
Answer: (a) marshy areas
Question 28.
Food is used as source of:
(a) cohesive:
(b) water:
(c) adhesive:
(d) nourishment
Answer: (d) nourishment
Question 29.
Which material is not required for photosynthesis?:
(a) Water:
(b) Carbon dioxide:
(c) Chlorophyll:
(d) Oxygen
Answer: (d) Oxygen
Question 30.
Which one of the following is an autotrophic organism?:
(a) Mango:
(b) Dog:
(c) Human:
(d) Cuscuta
Answer: (a) Mango
Question 31.
Traps the energy from sunlight.:
(a) Stomata:
(b) Guard cells:
(c) Chlorophyll:
(d) Xanthophylls
Answer: (c) Chlorophyll
Question 32.
The substance synthesised during photosynthesis is:
(a) protein:
(b) maltose:
(c) fructose:
(d) glucose
Answer: (d) glucose
Question 33.
Food making process in plants is calles ?:
(a) Photosyntheses:
(b) glycolysis:
(c) chemosyntheses:
(d) photolysis
Answer: (a) Photosynthesis
Question 34.
Pitcher plant falls in the category of:
(a) Herbivore
(b) Insectivore
(c) Carnivore
(d) None of these
Answer: (b) Insectivore
Question 35.
Water reaches the leaves from the root by:
(a) Stomata
(b) Phloem
(c) Xylem
(d) None of these
Answer:(c) Xylem
Question 36.
The plant which traps and feeds on insects is:
(a) Cuscuta
(b) China rosa
(c) Pitcher plant
(d) Rose
Answer: (c) Pitcher plant
Question 37.
Guard cell in dicots are:
(a) dumbbell-shaped:
(b) biconcave:
(c) biconvex:
(d) bean-shaped:
Answer: (d) bean-shaped
Question 38.
Amarbel is an example of:
(a) Autotroph
(b) Parasite
(c) Saprotroph
(d) Host
Answer: (b) Parasite
Question 39.
The internal factor affecting the process of photosynthesis is:
(a) Temperature
(b) Chlorophyll
(c) Light
(d) Water
Answer: (b) Chlorophyll
Question 40.
The chemical used in starch test is:
(a) Safranin
(b) Blue ink
(c) Iodine
(d) Litmus
Answer: (c) Iodine
Question 41.
Parasites:
(a) live on dead organisms
(b) eat animals
(c) prepare their own food
(d) live on other living beings
Answer: (d) live on other living beings
Question 42.
Plants take carbon dioxide from the atmosphere mainly through their:
(a) Roots
(b) Stem
(c) Flowers
(d) Leaves
Answer: (d) Leaves
Question 43.
It is not advisable to sit under the trees at night because:
(a) Carbon dioxide ratio is higher under the trees at night
(b) Trees sleep at night
(c) Plants make food during the night
(d) None of these
Answer: (a) Carbon dioxide ratio is higher under the trees at night
Question 44.
Organisms need nutrition to:
(a) Obtain energy
(b) Fight against diseases
(c) Grow
(d) All of these
Answer: (d) All of these
Question 45.
The study of the role of different components of the diet of living organism is called:
(a) science of nutrition:
(b) science of diet:
(c) science of food:
(d) science of minerals
Answer: (a) science of nutrition
Question 46.
Which of the following is the ultimate source of energy for all living organisms?:
(a) Plants:
(b) Animals:
(c) Water:
(d) Sun
Answer: (d) Sun
Question 47.
All animals are dependent on plants for :
(a) food:
(b) water:
(c) minerals:
(d) fat
Answer: (a) food
Question 48.
Which of the following is Nutrient :
(a) Protein:
(b) Fat:
(c) Vitamin:
(d) All of these
Answer: (d) All of these
Question 49.
The ultimate source of energy for all living organisms is:
(a) Plants
(b) Sun
(c) Oxygen
(d) None of these
Answer: :(b) Sun
Question 50.
Two different organisms living together and both benefitted from each other, are called as:
(a) Saprophytic
(b) Parasitic
(c) Heterotrophic
(d) Symbiotic
Answer: (d) Symbiotic