KCET 2025 Practice Test || Biology Exam Questions 41-50

41. Identify the incorrect statement with respect to the rules of Binomial Nomenclature.

(1) Biological names are generally in Latin or Latinised irrespective of their origin (2) Biological names are underlined separately when handwritten (3) Biological names are printed in Italics to indicate their non-Latin origin (4) The first word represents the genus while second component denotes the specific epithet

42. Match Column-I with Column-II and choose the correct option given below :
Column-I (Bacteria)                 Column-II (Shape)
a. Coccus                             i. Rod-shaped
b. Bacillus                            ii. Spiral
c. Vibrium                            iii. Spherical
d. Spirillum                           iv. Comma-shaped

(1) a-iii, b-i, c-iv, d-ii (2) a-iii, b-ii, c-iv, d-i (3) a-iv, b-iii, c-ii, d-i (4) a-iv, b-i, c-ii, d-iii

43. Read the given statements and choose the correct option :
Statement I : Gemmae are green, unicellular, sexual buds which develop in receptacles called gemma cups
Statement II : Protonema develops directly from a spore

(1) Statement I is true but Statement II is false (2) Statement I is false but Statement II is true (3) Both Statement I and Statement II are false (4) Both Statement I and Statement II are false

44. During a field trip, a student observed a marine organism with worm-like body. The cylindrical body was divisible into proboscis, collar and a long truck. The organism may be ……..

(1) Ophiura (2) Pterophyllum (3) Trygon (4) Balanoglossus

45. Identify the types of aestivation in corolla labeled as ‘a’, ‘b’, ‘c’ and ‘d’
(Imagine a diagram showing different types of aestivation: Valvate, Twisted, Imbricate, Vexillary)

(1) a-Imbricate, b-Valvate, c-Vexillary, d-Twisted (2) a-Vexillary, b-Imbricate, c-Twisted, d- Valvate (3) a- Vexillary, b-Imbricate, c- Valvate, d- Twisted (4) a- Vexillary, b- Twisted, c- Imbricate, d- Valvate

46. Match the Column-I with Column-II and choose the correct option :
Column-I (Characteristics of vascular bundle)               Column-II (Transverse section)
a. Radial, tetrarch, cambial ring between xylem and phloem at later stages     i. T.S of monocot stem
b. Conjoint, open and endarch                                                                                 ii. T.S of dicot root
c. Radial, polyarch, large pith without cambial ring                                                                           iii. T.S of dicot stem
d. Conjoint, closed with sclerenchymatous bundle sheath                                                              iv. T.S of monocot stem

(1) a-ii, b-iii, c-iv, d-i (2) a-ii, b-iv, c-iii, d-i (3) a-iii, b-iv, c-i, d-ii (4) a-i, b-ii, c-iii,d-iv

47. Which of the following statements are correct with respect to Frogs ?
(a) Bidder’s canals are present in male Frogs
(b) Copulatory pads are present in male Frogs
(c) Sound producing vocal sacs are present in male Frogs
(d) Cloaca is present male Frog only.
Choose the most appropriate answer from the options given below :

(1) a and b (2) a and c (3) b and d (4) a and d

48. The reserve material in prokaryotic cells are stored in the cytoplasm in the form of …..

(1) Inclusion bodies (2) Exclusion and inclusion bodies (3) Fat bodies (4) Exclusion bodies

49. The cell wall less prokaryote among the following is

(1) Blue-Green Algae (2) Cyanobacteria (3) Mycoplasma (4) Bacteria

50. The graph showing the concept of activation energy of enzyme is given below :
Observe the graph and choose the correct option for M and N.
(Imagine a typical activation energy graph with two curves: one higher (M) representing reaction without enzyme, and one lower (N) representing reaction with enzyme, both starting and ending at the same energy levels)

(1) M-Activation energy with enzyme, N-Activation energy without enzyme (2) M-High temperature, High activation energy, N-Low temperature, Low activation energy (3) M-High substrate, High activation energy, N-Low substrate, Low activation energy (4) M-Activation energy without enzyme, N-Activation energy with enzyme

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