CBSE
Multiple Choice QuestionsWhich one of the following population interactions is widely used in medical science for the production of antibiotics?
Commensalism
Mutualism
Amensalism
Parasitism
Niche is
all the biological factors in the organism's environment
the physical space where an organism lives
the functional role played by the organism where it lives
the range of temperature that the organism needs to live
Match the following Columns
| Column I | Column II | ||
| A. | Opuntia | 1. | Stem thorns |
| B. | Asparagus | 2. | Phylloclades |
| C. | Citrus | 3. | Cladodes |
| A | B | C |
| 1 | 2 | 3 |
| A | B | C |
| 2 | 3 | 1 |
| A | B | C |
| 3 | 2 | 1 |
| A | B | C |
| 2 | 1 | 3 |
The scientific name of gharial is
Naja bun garus
Gaviails gangeticus
Hemidactylusflavivridis
None of the above
Predation and parasitism are which type of interactions.
(+, +)
(+, 0 )
( -)
(+, -)
The ultimate source of energy for a living being is
Sunlight
ATP
Fats
Carbohydrates
Which of these is used to control human population?
Estrogen + progesterone
IUCD and MTP
Tubectomy and vasectomy
All of the above
Which of the following is a total root parasite?
Cuscuta
Rafflesia
Santalum
Monotrapa
Which part of the animal virus is not produced in multiple copies?
Capsid
Proteins
Envelops
Ribosome
Biotic potential or potential natality means
Natural increase of population under ideal/optimum conditions
The potential of the organism in a biome
Number of organisms in a biome
Species of maximum number in a population
