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How many of the following statements is/...

How many of the following statements is/are correct?

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How many of the following statements are correct ? 1. Good ozone is found in the stratosphere. 2. UV radiation having a lower wavelength than UV -B is almost completely absorbed by the Earth's atmosphere. 3. UV - B causes snow blindness and cataract. 4. dB is a unit to measure the thickness of ozone.

How many of the following statements are correct? 1. Conjoint vascular bundles are not present in monocot stem. 2. Casparian strips of endodermis are made of cutin. 3. Pith is large and well developed in monocot roots. 4. Trichome helps in water loss due to transpiration.

How many of the following statements (s) are correct ? (i) Genus comprises a group of related species which has more characters in common in comparison to species of other genera . (ii) 'pardus' and 'leo' are two different species but both belong to the genus Felis. (iii) Each genus may have one or more than one specific epithets representing different organisms . (iv) A species is a group of individuals with highest fundamental similarities and maximum number of organisms.

How many of the following statements are correct (I) polysaccharides are present in an acid insoluble pool. (II) protein is a homopolymer. (III) In a Polynucleotide chain, the last amino acid called the N-terminal amino acid. (IV) The tertiary structure is absolutely necessary for the many biological activities of Proteins.

Skeletal muscles come under the broad category of muscle tissue for the animals. How many of the following statements are correct related to the skeletal muscles. I. They are closely attached to bones. II. These are involuntary in the activity. III. They are typically found within the blood vessel IV. Several muscle fibers are enclosed by a sheath of connective tissue.

How many of the following statements are correct regarding properties of enzyme ? (i) It lowers down the activation energy of the reaction . (ii) An active site of the enzyme is the pocket into which the substate fits . (iii) The catalytic structure of most of the enzyme is globular and primary . (iv) Carbonic anhydrase enzyme is considered as the fastest enzyme.

How many of the following statements are not correct? [I] In a flowering plant the substances that would need to be transported are water, mineral nutrients, organic nutrients and plant growth regulators. [II] Over small distances, substances move by diffusion and by cytoplasmic streaming supplemented only by passive transport. [III] Organic and mineral nutrients undergo multidirectional transport through the xylem. [IV] From the storage organs, organic compounds are later re-exported. [V] Phytohormones and other chemical signals are transported to maintain and regulate the plant functions.

Read the following (A-D) statements :- A. Connective tissue are most abundant and widely distributed in the body of complex animals B. They are named connective tissue because of their special function of linking and supporting other tissues // organs of the body C. They range from soft connective tissue to specialised types, which include cartilage, bone, adipose and blood D. The cells of connective tissue secrete modified polysaccharides, which accumulate between cells and fibres and act as matrix How many of the following statements are correct :-

Which of the following statements is/are correct?

Which of the following statements is/are correct

ALLEN-ANATONY OF FLOWERING PLANTS -Exercise
  1. Which type of vascular bundles are found in the primary internal struc...

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  2. The cross section of a plant material shows the following anatomical f...

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  3. Look at the given figure find the position (Adaxial or abaxial) of xyl...

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  4. In a dorsiventral leaf, palisade parenchyma lies towards (A) and spong...

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  5. In grasses, certain (A) epidermal cells along the veins modify themsel...

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  6. The (A) venation in (B) leaves is reflected in the near similar sizes ...

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  7. In a isobilateral leaf, two distinct patches of (A) are present above ...

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  8. In dicot stems, cambium present between primary xylem and primary phoe...

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  9. At some places, the cambium forms a narrow bands of (A) which passes t...

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  10. Name the lateral meristem which is responsible for the formation of ph...

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  11. Name the lateral meristem which is responsible for the formation of se...

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  12. In the given figure labelled Structure x is

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  13. The (A) wood is lighter in colour and exhbit low density whereas (B) w...

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  14. heart wood comprises dead elemetnns with highly (A) walls and it does ...

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  15. Which lateral meristem usually develops in cortical region of dicot st...

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  16. (A) is impervious to water due to (B) deposition in cell wall

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  17. Phellogen and phellem respectively denote

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  18. (A) is a non-technical term that refers to all tissues exterior to (B)...

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  19. Consider the following statement: (a) Complimentary cells are thin w...

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  20. How many of the following statements is/are correct?

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