General
✓✗Fragmentation is a common mode of reproduction in
- filamentous algae
- Planaria
- yeast
- Hydra
General
✓✗Study the four statements (A-D) given below and select the two correct ones.
(A) Definition of biological species was given by Ernst Mayr.
(B) Photoperiod does not affect reproduction in plants.
(C) Binomial nomenclature system was given by R.H. Whittaker.
(D) In unicellular organisms, reproduction is synonymous with growth.
The two correct statements are
(A) Definition of biological species was given by Ernst Mayr.
(B) Photoperiod does not affect reproduction in plants.
(C) Binomial nomenclature system was given by R.H. Whittaker.
(D) In unicellular organisms, reproduction is synonymous with growth.
The two correct statements are
- A and B
- C and D
- A and D
- B and C
General
✓✗Classification is the process by which anything is grouped into convenient categories based on
- habitat only
- some easily observable characters
- size only
- chemical composition only
General
✓✗Which of the following sets contains only taxa and no categories?
- Order, Poaceae, Class
- Felidae, Genus, Mammalia
- Family, Genus, Order
- Felidae, Panthera, Carnivora
General
✓✗The common name of Musca domestica is
- cockroach
- honeybee
- mosquito
- housefly
General
✓✗Select the correctly written scientific name of Mango which was first described by Carolus Linnaeus.
- Mangifera indica
- Mangifera indica Linn.
- Mangifera indica Car. Linn.
- Mangifera Indica
General
✓✗Which one of the following pairs shows a taxonomic category followed by a taxon?
- Order - Carnivora
- Poaceae - Poales
- Primata - Order
- Muscidae - Family
General
✓✗Which property is shown by all organisms, from prokaryotes to the most complex eukaryotes?
- Ability to sense and respond to environmental cues
- Growth by cell division throughout life
- Reproduction
- Self-consciousness
General
✓✗Which one of the following statements about the rules of binomial nomenclature is incorrect?
- When handwritten, both words of a biological name are underlined together by a single continuous line
- Biological names are Latinised or derived from Latin irrespective of their origin
- The first word in a biological name represents the genus
- The specific epithet starts with a small letter
General
✓✗'X' and 'Y' are the components of Binomial nomenclature. This naming system was proposed by 'Z'.
- X-Specific epithet, Y-Generic name, Z-R.H. Whittaker
- X-Specific epithet, Y-Generic name, Z-Carolus Linnaeus
- X-Generic name, Y-Specific epithet, Z-R.H. Whittaker
- X-Generic name, Y-Specific epithet, Z-Carolus Linnaeus
General
✓✗Arrange the steps of the herbarium technique in the correct sequence:
A. Drying
B. Poisoning
C. Collection
D. Labelling
E. Mounting
F. Deposition
G. Stitching
A. Drying
B. Poisoning
C. Collection
D. Labelling
E. Mounting
F. Deposition
G. Stitching
- C, B, A, E, G, D, F
- C, A, B, G, E, D, F
- C, A, B, E, G, D, F
- A, C, B, E, G, F, D
General
✓✗Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): Metabolism is a defining feature of all living organisms without exception.
Reason (R): No non-living object exhibits metabolism.
In the light of the above statements, choose the correct answer from the options given below.
Assertion (A): Metabolism is a defining feature of all living organisms without exception.
Reason (R): No non-living object exhibits metabolism.
In the light of the above statements, choose the correct answer from the options given below.
- Both Assertion and Reason are true and Reason is the correct explanation of Assertion
- Both Assertion and Reason are true but Reason is not the correct explanation of Assertion
- Assertion is true but Reason is false
- Both Assertion and Reason are false
General
✓✗Match Column I with Column II for housefly classification and select the correct option using the codes given below.
| Column I | Column II |
| A. Family | i. Diptera |
| B. Order | ii. Arthropoda |
| C. Class | iii. Muscidae |
| D. Phylum | iv. Insecta |
- A-(iv), B-(ii), C-(i), D-(iii)
- A-(iii), B-(ii), C-(iv), D-(i)
- A-(iii), B-(i), C-(iv), D-(ii)
- A-(iv), B-(iii), C-(ii), D-(i)
General
✓✗Which one of the following belongs to the family Muscidae?
- Housefly
- Firefly
- Grasshopper
- Cockroach
General
✓✗Which one of the following statements is correct?
- All living organisms possess self-consciousness
- Photoperiod affects reproduction in seasonal breeders, both plants and animals
- Prokaryotes are unable to sense their environment
- Only animals are able to respond to chemical stimuli