Sample 1Easy
The five kingdom classification, with the kingdoms Monera, Protista, Fungi, Plantae and Animalia, was proposed by
- A
R.H. Whittaker
- B
Carolus Linnaeus
- C
Aristotle
- D
Ernst Haeckel
Show the answer
The answer is A.R.H. Whittaker proposed the five kingdom classification in 1969. Its main criteria were cell structure, body organisation, mode of nutrition, reproduction and phylogenetic relationships.
- B.
Linnaeus gave the two kingdom classification, Plantae and Animalia.
- C.
Aristotle made the earliest classification, of plants by morphology and animals by red blood.
- D.
Haeckel did not propose the five kingdom scheme.
NCERT: Class 11 Biology, Chapter 2 (Biological Classification), introduction
Sample 2Medium
A figure shows four bacterial cells drawn side by side: A is rod-shaped, B is spherical, C is comma-shaped and D is spiral. Which option names all four correctly?
- A
A – Coccus, B – Bacillus, C – Vibrium, D – Spirillum
- B
A – Bacillus, B – Coccus, C – Vibrium, D – Spirillum
- C
A – Bacillus, B – Coccus, C – Spirillum, D – Vibrium
- D
A – Spirillum, B – Coccus, C – Bacillus, D – Vibrium
Show the answer
The answer is B.Bacteria are grouped by shape into spherical coccus, rod-shaped bacillus, comma-shaped vibrium and spiral spirillum. The figure's rod, sphere, comma and spiral are therefore bacillus, coccus, vibrium and spirillum.
- A.
Coccus is the spherical form and bacillus the rod-shaped form, so A and B are swapped.
- C.
Vibrium is comma-shaped and spirillum is spiral, so C and D are swapped.
- D.
A rod is a bacillus, a comma is a vibrium and a spiral is a spirillum; this pairing gets three of them wrong.
NCERT: Class 11 Biology, Chapter 2
Sample 3NEET level
Match List I with List II. List I A. Chrysophytes B. Dinoflagellates C. Euglenoids D. Slime moulds List II I. Spores with true walls, dispersed by air currents II. Cell walls embedded with silica, forming indestructible shells III. Rapid multiplication of red forms makes the sea appear red IV. A protein-rich layer, the pellicle, in place of a cell wall Choose the correct answer from the options given below.
- A
A-III, B-II, C-IV, D-I
- B
A-II, B-IV, C-III, D-I
- C
A-II, B-III, C-IV, D-I
- D
A-IV, B-III, C-I, D-II
Show the answer
The answer is C.Diatoms (chrysophytes) have silica-embedded walls that leave diatomaceous earth, and red dinoflagellates such as Gonyaulax cause red tides. Euglenoids have a pellicle instead of a cell wall, and slime moulds form spores with true walls that are dispersed by air currents.
- A.
Swaps chrysophytes and dinoflagellates: red tides are caused by dinoflagellates.
- B.
Gives the pellicle to dinoflagellates and red tides to euglenoids.
- D.
Gives the pellicle to chrysophytes and silica walls to slime moulds.
NCERT: Class 11 Biology, Chapter 2 (Biological Classification), Kingdom Protista