10 free NEET questions from Anatomy of Flowering Plants (Class 11 Botany). Instant results, detailed explanations, and your predicted NEET score. No sign-up needed for your first attempt.
0:00
0/10 answered
QUESTION 1 OF 10
In old trees the greater part of secondary xylem is dark brown and resistant to insect attack due to : (a) secretion of secondary metabolit ie s and their deposition in the lumen of vessels. (b) deposition of organic compounds like tannins and resins in the central layers of stem. (c) deposition of suberin and aromatic substances in the outer layer of stem. (d) d eposition of tannins, gum, resin and aromatic substances in the peripheral layers of stem. (e) presence of parenchyma cells, functionally active xylem elements and essential oils. Choose the correct answer from the options given below: (1) (a) and (b) Only
A
(c) and (d) Only
B
(d) and (e) Only
C
(b) and (d) Only Answer
D
Sol. In old trees, the greater part of secondary xylem is dark brown due to deposition of organic compounds like tannins, resins, oils, gums, aromatic substances and essential oils in the central or innermost layers of the stem. These substances make it hard, d urable and resistant to the attacks of micro - organisms and insects.
FREE CALCULATORS
NEET Score Predictor
Based on Botany accuracy
Your accuracy in Botany: 60%
Botany marks
90/180
Projected NEET
360/720
Assumes same accuracy across all 45 Botany questions. Sign up to track actual chapter-by-chapter scores.
Negative Marks Audit
Know your net score from guessing
Enter your attempted and correct count above
RELATED CHAPTERS
Track Your Progress Across All 90 Chapters
Your Anatomy of Flowering Plants test results disappear when you close this tab. Sign up free to save your scores, retake with fresh questions, and see exactly where you stand for NEET 2027.
No credit card · 14-day free trial · Cancel anytime
Anatomy of Flowering Plants is a Class 11 Botany chapter. Expect 1 to 3 questions from this chapter in NEET 2027 based on historical PYQ frequency.
Yes. Anatomy of Flowering Plants is part of the NTA NEET 2027 rationalized syllabus from NCERT Class 11 Botany. Practice it thoroughly with these free MCQs.
Start with the NCERT Class 11 Botany chapter. Understand all concepts and diagrams first. Then practice these free MCQs to test your understanding. Note every question you get wrong and revise those NCERT sections.
Your first attempt is free and does not require a login. To retake the test with fresh questions and track your improvement over time, sign up for a free neet.training account. The 14-day free trial gives you full access to all 90 chapters.
Yes. All questions are aligned with the NTA NEET 2027 rationalized syllabus and NCERT Class 11 Botany. They follow the NEET format: 4 options, +4 for correct, and −1 for wrong.
Also check out the Botany chapter hub for all 18 Botany chapters, or browse the full NEET mock test hub.