Diversity in living organisms Worksheet-6

Diversity in living organisms Worksheet-6

41. Which of the following organisms have ribbon shaped chloroplast?

A. Ulothrix        B. Riccia            C. Spirogyra      D. Marchantia

42. . The group of plants in which the body is differentiated into stem and leaves but lacks the transport system is:

A. Thallophyta                              B. Bryophyta

C. Pteridophyta                             D. All of these

43. Which of the following plants show cryptogamy?

A. Ferns             B. Ipomoea       C. Pinus             D. Cycas

44. Plants bearing naked seeds are :

A. Bryophytes                                B. Pteridophytes

C. Gymnosperms                          D. Angiosperms

45. Deodar plants are:

A. Perennial, woody, evergreen.

B. Naked seed bearing plants

C. Well differentiated plants.

D. All of these

46. When ovary matures it develops into:

A. Flower                                        B. Seed

C. Cotyledon                                  D. Fruit

47. Which of the following statement is true?

A. Pea plants are dicot, grasses are monocot

B. Pea plants are monocot, grasses are diocot

C. Pea plants and grasses both are monocot

D. Pea plants and grasses both are dicot

48. Flowering plants are:

A. Pteridophytes                           B. Gymnosperms

C. Angiosperms                            D. Thallphytes

49. Organisms belonging to Porifera have a cavity known as:

A. Spongocoel                               B. Pseudocoel

C. Hollow cavity                           D. None of these

50. Which of the following organisms have least body differentiation into tissues?

A. Hydra            B. Planaria        C. Sycon             D. Liver fluke

Answer Key:

41. C
42. B
43. A
44. C
45. D
46. D
47. A
48. C
49. A
50. C