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Anatomy of Flowering Plants

271341 Which of the following statements are not true?
(I) Cork cambium is otherwise called phellogen.
(II) Cork is otherwise called phellem.
(III) Secondary cortex is otherwise called periderm.
(IV) Cork cambium, cork and secondary cortex are collectively called phelloderm.

1 III and IV
2 I and II
3 II and III
4 II and IV
5 I and IV
Anatomy of Flowering Plants

271342 All the following statements regarding sieve tube elements are true except.

1 Their end walls have perforated sieve plates which become impregnated with lignin at maturity.
2 Distinct protein aceous inclusions, the p-proteins are seen evenly distributed throughout the lumen.
3 They possess peripheral cytoplasm as well as large vacuole.
4 Long, slender, tube-like structures arranged in longitudinal series.
5 They are devoid of nucleus maturity.
Anatomy of Flowering Plants

271343 In the sieve elements, which one of the following is the most likely function of P-proteins?

1 Autolytic enzymes
2 Deposition of callose on sieve plates
3 Sealing mechanism on wounding
4 Providing energy for active translocation enzymes
Anatomy of Flowering Plants

271344 A leaf primordium grows into adult lamina

1 by lateral meristem
2 by marginal meristem
3 by apical meristem
4 at first by apical meristem and later largely by marginal meristem
5 none of these
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Anatomy of Flowering Plants

271341 Which of the following statements are not true?
(I) Cork cambium is otherwise called phellogen.
(II) Cork is otherwise called phellem.
(III) Secondary cortex is otherwise called periderm.
(IV) Cork cambium, cork and secondary cortex are collectively called phelloderm.

1 III and IV
2 I and II
3 II and III
4 II and IV
5 I and IV
Anatomy of Flowering Plants

271342 All the following statements regarding sieve tube elements are true except.

1 Their end walls have perforated sieve plates which become impregnated with lignin at maturity.
2 Distinct protein aceous inclusions, the p-proteins are seen evenly distributed throughout the lumen.
3 They possess peripheral cytoplasm as well as large vacuole.
4 Long, slender, tube-like structures arranged in longitudinal series.
5 They are devoid of nucleus maturity.
Anatomy of Flowering Plants

271343 In the sieve elements, which one of the following is the most likely function of P-proteins?

1 Autolytic enzymes
2 Deposition of callose on sieve plates
3 Sealing mechanism on wounding
4 Providing energy for active translocation enzymes
Anatomy of Flowering Plants

271344 A leaf primordium grows into adult lamina

1 by lateral meristem
2 by marginal meristem
3 by apical meristem
4 at first by apical meristem and later largely by marginal meristem
5 none of these
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Anatomy of Flowering Plants

271341 Which of the following statements are not true?
(I) Cork cambium is otherwise called phellogen.
(II) Cork is otherwise called phellem.
(III) Secondary cortex is otherwise called periderm.
(IV) Cork cambium, cork and secondary cortex are collectively called phelloderm.

1 III and IV
2 I and II
3 II and III
4 II and IV
5 I and IV
Anatomy of Flowering Plants

271342 All the following statements regarding sieve tube elements are true except.

1 Their end walls have perforated sieve plates which become impregnated with lignin at maturity.
2 Distinct protein aceous inclusions, the p-proteins are seen evenly distributed throughout the lumen.
3 They possess peripheral cytoplasm as well as large vacuole.
4 Long, slender, tube-like structures arranged in longitudinal series.
5 They are devoid of nucleus maturity.
Anatomy of Flowering Plants

271343 In the sieve elements, which one of the following is the most likely function of P-proteins?

1 Autolytic enzymes
2 Deposition of callose on sieve plates
3 Sealing mechanism on wounding
4 Providing energy for active translocation enzymes
Anatomy of Flowering Plants

271344 A leaf primordium grows into adult lamina

1 by lateral meristem
2 by marginal meristem
3 by apical meristem
4 at first by apical meristem and later largely by marginal meristem
5 none of these
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Anatomy of Flowering Plants

271341 Which of the following statements are not true?
(I) Cork cambium is otherwise called phellogen.
(II) Cork is otherwise called phellem.
(III) Secondary cortex is otherwise called periderm.
(IV) Cork cambium, cork and secondary cortex are collectively called phelloderm.

1 III and IV
2 I and II
3 II and III
4 II and IV
5 I and IV
Anatomy of Flowering Plants

271342 All the following statements regarding sieve tube elements are true except.

1 Their end walls have perforated sieve plates which become impregnated with lignin at maturity.
2 Distinct protein aceous inclusions, the p-proteins are seen evenly distributed throughout the lumen.
3 They possess peripheral cytoplasm as well as large vacuole.
4 Long, slender, tube-like structures arranged in longitudinal series.
5 They are devoid of nucleus maturity.
Anatomy of Flowering Plants

271343 In the sieve elements, which one of the following is the most likely function of P-proteins?

1 Autolytic enzymes
2 Deposition of callose on sieve plates
3 Sealing mechanism on wounding
4 Providing energy for active translocation enzymes
Anatomy of Flowering Plants

271344 A leaf primordium grows into adult lamina

1 by lateral meristem
2 by marginal meristem
3 by apical meristem
4 at first by apical meristem and later largely by marginal meristem
5 none of these