General
✓✗The basic unit or smallest taxon of taxonomy/classification is
- family
- species
- kingdom
- variety
General
✓✗Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): The biological concept of species is based on reproductive isolation.
Reason (R): A tigon is produced by crossing a male lion with a female tiger.
In the light of the above statements, choose the correct answer from the options given below.
Assertion (A): The biological concept of species is based on reproductive isolation.
Reason (R): A tigon is produced by crossing a male lion with a female tiger.
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 (category) with Column II (taxon for wheat) and choose the correct option.
| Column I | Column II |
| A. Family | i. Angiospermae |
| B. Order | ii. Poales |
| C. Class | iii. Monocotyledonae |
| D. Division | iv. Poaceae |
- A-(iv), B-(ii), C-(iii), D-(i)
- A-(ii), B-(iv), C-(iii), D-(i)
- A-(iv), B-(iii), C-(ii), D-(i)
- A-(iv), B-(ii), C-(i), D-(iii)
General
✓✗Linnaeus evolved a system of nomenclature called
- mononomial
- polynomial
- vernacular
- binomial
General
✓✗Classes Mammalia, Aves, Reptilia and Amphibia are placed in phylum Chordata because of the common presence of
- Ventral solid nerve cord
- Notochord and dorsal hollow neural system
- Jointed appendages
- Hair and mammary glands
General
✓✗The common name of Musca domestica is
- cockroach
- honeybee
- mosquito
- housefly
General
✓✗The international size of herbarium sheet is
- 42 × 27 cm
- 41 × 29 cm
- 40 × 30 cm
- 39 × 28 cm
General
✓✗Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): A group of closely related families forms an order.
Reason (R): The families of an order resemble one another in certain fundamental features and evolutionary trends.
In the light of the above statements, choose the correct answer from the options given below.
Assertion (A): A group of closely related families forms an order.
Reason (R): The families of an order resemble one another in certain fundamental features and evolutionary trends.
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
✓✗Which one of the following statements is INCORRECT?
- Non-living objects grow by accumulation of material on their surface
- In plants, growth by cell division occurs continuously throughout life
- In animals, growth by cell division occurs throughout life in all tissues
- Increase in mass and increase in number of individuals are twin characteristics of growth
General
✓✗Match Column I (organism) with Column II (order) and choose the correct option.
| Column I (organism) | Column II (order) |
| A. Man | i. Diptera |
| B. Housefly | ii. Poales |
| C. Mango | iii. Primata |
| D. Wheat | iv. Sapindales |
- A-(iii), B-(i), C-(iv), D-(ii)
- A-(i), B-(iii), C-(iv), D-(ii)
- A-(iii), B-(i), C-(ii), D-(iv)
- A-(iv), B-(i), C-(iii), D-(ii)
General
✓✗"Taxa" differs from "taxon" due to this being
- A higher taxonomic category than taxon
- The plural of taxon
- A lower taxonomic category than taxon
- The singular of taxon
General
✓✗Which one of the following organisms is scientifically correctly named, correctly printed according to the International Rules of Nomenclature and correctly described?
- Plasmodium falciparum - a protozoan pathogen causing the most serious type of malaria.
- Felis tigris - the Indian tiger, well protected in Gir forests.
- E.coli - full name Entamoeba coli, a commonly occurring bacterium in human intestine.
- Musca domestica - the common house lizard, a reptile
General
✓✗A group of plants or animals with similar traits, of any rank, is a
- taxon
- order
- genus
- species
General
✓✗Carolus Linnaeus classified the plant kingdom on the basis of
- Type of sexual reproduction
- Overall morphology of plants
- Floral morphology
- anatomical character
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