MCQOPTIONS
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MCQOPTIONS
This section includes 14620 Mcqs, each offering curated multiple-choice questions to sharpen your NEET knowledge and support exam preparation. Choose a topic below to get started.
| 14601. |
A fully grown tadpole larva of frog respires through [BCECE 2001] |
| A. | Gills |
| B. | Skin |
| C. | Lungs |
| D. | Tail fin |
| Answer» B. Skin | |
| 14602. |
The epithelial lining of respiratory system in frog is derived by [CPMT 1993] |
| A. | Ectoderm |
| B. | Endoderm |
| C. | Mesoderm |
| D. | Mesoderm and endoderm |
| Answer» C. Mesoderm | |
| 14603. |
What is not found in skin of frog |
| A. | Scales |
| B. | Epidermis |
| C. | Mucous glands |
| D. | Poison glands |
| Answer» B. Epidermis | |
| 14604. |
Frogs have the ability to climb because they possess |
| A. | Claws |
| B. | Adhesive skin |
| C. | Adhesive pads on fingers and toes |
| D. | Glue like secretion from mucous gland |
| Answer» D. Glue like secretion from mucous gland | |
| 14605. |
Frog is |
| A. | Arboreal |
| B. | Terrestrial |
| C. | Fully aquatic |
| D. | Both aquatic and terrestrial |
| Answer» E. | |
| 14606. |
Dissection of frog is done from ventral side because [BHU 1982] |
| A. | Ventral skin is soft |
| B. | Abdominal vein is present ventrally |
| C. | Vertebral column is present on dorsal side |
| D. | All of these |
| Answer» D. All of these | |
| 14607. |
Most distinct annual rings are formed in: |
| A. | Tropical region |
| B. | Temperate region |
| C. | Arctic region |
| D. | Equatorial region |
| Answer» C. Arctic region | |
| 14608. |
Which one of the following statement is incorrect? (i) Epidermal cell has small amount of cytoplasm and a large vacuole. (ii) Waxy cuticle layer is absent in roots. (iii) Root hairs are unicellular, while stem hairs/ trichomes are multicellular. (iv) Trichomes may be branched or unbranched, soft or stiff and prevent transpiration. (v) Guard cells are dumbbell shaped in dicots and bean-shaped in monocots (e.g., grass). |
| A. | Only (i) |
| B. | Only (iv) |
| C. | Only (iii) |
| D. | Only (v) |
| Answer» E. | |
| 14609. |
Which combination of tissues acts together to provide the support to the hypocotyl of seedling? |
| A. | Xylem and phloem fibres |
| B. | Epidermis and parenchyma |
| C. | Xylem and parenchyma |
| D. | Epidermis and collenchyma |
| Answer» E. | |
| 14610. |
Collenchyma is present in: |
| A. | Herbaceous monocots |
| B. | Herbaceous dicots |
| C. | All herbaceous plants |
| D. | Pteridophytes and monocots |
| Answer» C. All herbaceous plants | |
| 14611. |
Protective layer found at the site of abscission is: |
| A. | Parenchymatous |
| B. | Collenchymatous |
| C. | Sclerenchymatous |
| D. | Suberised |
| Answer» E. | |
| 14612. |
Match column-I with column-II and select the correct answer using the options given below. Column-I Column-II A. Xylem vessels I. Store food materials B. Xylem tracheids II. Obliterated lumen C. Xylem fibre III. Perforated plates D. Xylem parenchyma IV. Chisel-like ends |
| A. | A-IV; B-III; C-II; D-I |
| B. | A-III; B-II; C-I; D-IV |
| C. | A-II; B-I; C-IV; D-III |
| D. | A-III; B-IV; C-II; D-I |
| Answer» E. | |
| 14613. |
Choose the correct option for 1 and 2. |
| A. | 1 - Tracheid, 2 - Vessel |
| B. | 1 - Vessel, 2 - Tracheid |
| C. | 1 - Fibre, 2 - Tracheid |
| D. | 1 - Fibre, 2 - Sclereid |
| Answer» B. 1 - Vessel, 2 - Tracheid | |
| 14614. |
Gaseous exchange between air and internal tissues of old corky stem takes place through: |
| A. | Pits |
| B. | Stomata |
| C. | Lenticels |
| D. | Sieve plates |
| Answer» D. Sieve plates | |
| 14615. |
The lacunae in vascular bundles of monocot stems are: |
| A. | Metaxylem |
| B. | Mucilagenous canal |
| C. | Lysigenous water cavity |
| D. | Large-sized vessel |
| Answer» D. Large-sized vessel | |
| 14616. |
Match the terms given in column-I with their features given in column-II and choose the correct option. Column-I (Terms) Column-II (Features) A. Fibres I. Cells are living and thin walled with cellulosic cell wall, store food materials in the form of starch or fat. B. Sclereids II. Main water conductive cells of the pteridophytes and the gymnosperms. C. Tracheids III. Thick walled, elongated and pointed cells, generally occurring in groups. D. Vessels IV. Long cylindrical tube like structure and cells are devoid of protoplasm. Characteristic feature of angiosperms. E. Xylem V. Reduced form of parenchyma sclerenchyma cells with highly thickened lignified cellular walls that form small bundles of durable layers of tissue in most plants. |
| A. | A - I; B - II; C - III; D - IV; E - V |
| B. | A - III; B -V; C - II; D - IV; E - I |
| C. | A - III; B - I; C - V; D - II; E - IV |
| D. | A - V; B - IV; C - III; D - I; E - II |
| Answer» C. A - III; B - I; C - V; D - II; E - IV | |
| 14617. |
Meristematic tissues are composed of : |
| A. | mature cell |
| B. | fully differentiated cell |
| C. | cells that cannot divide |
| D. | immature cells with power to divide |
| Answer» E. | |
| 14618. |
Meristems are not found in: |
| A. | Cycas stem |
| B. | Pollen of Pinus |
| C. | Fern leaf |
| D. | Fern rhizome |
| Answer» D. Fern rhizome | |
| 14619. |
The vascular cambium produces xylem on one side and phloem on other because of it: |
| A. | inter fascicular position |
| B. | multicellular nature |
| C. | gravitational force |
| D. | difference in supply of hormones on two sides |
| Answer» B. multicellular nature | |
| 14620. |
Identify the types of simple tissue indicated by 1, 2, 3 and 4 and their function. |
| A. | 1 - Parenchyma; Photosynthesis, Storage and Secretion. |
| B. | 2 - Sclerenchyma, Sclereid; Transport food material. |
| C. | 3 - Collenchyma; Provides mechanical support to organs. |
| D. | 4 - Sclerenchyma Fibres; Provide mechanical support to the growing parts of the plant such as young stem and petiole of a leaf. |
| Answer» B. 2 - Sclerenchyma, Sclereid; Transport food material. | |