SOLVE NEET MCQS ONLINE - LESSON- CLASS XI- ANATOMY OF FLOWERING PLANTS [ PREVIOUS YEARS NEET MCQS ]

ANATOMY OF FLOWERING PLANTS [ NEET PREVIOUS YEARS QUESTIONS ]

Quiz

 

1. THE CHIEF WATER CONDUCTING ELEMENTS OF XYLEM IN GYMNOSPERM ARE
   1.   VESSELS
   2.   TRACHEIDS
   3.   FIBRES
   4.   TRANSFUSION TISSUE
2. IN LAND PLANTS THE GUARD CELLS DIFFER FROM OTHER EPIDERMAL CELLS IN HAVING
   1.   MITOCHONDRIA
   2.   CHLOROPLAST
   3.   ENDOPLASMIC RETICULUM
   4.   CYTOSKELETON
3. GROUND TISSUE INCLUDES
   1.   ALL TISSUES EXCEPT EPIDERMIS AND VASCULAR TISSUES
   2.   EPIDERMIS AND CORTEX
   3.   ALL TISSUES INTERNAL TO ENDODERMIS
   4.   ALL TISSUES EXTERNAL TO ENDODERMIS
4. SOME VASCULAR BUNDLES ARE DESCRIBED AS OPEN BECAUSE THESE
   1.   ARE SURROUNDED BY PERICYCLE BUT NO ENDODERMIS
   2.   ARE CAPABLE OF PRODUCING SECONDARY XYLEM AND PHLOEM
   3.   POSSESS CONJUCTIVE TISSUE BETWEEN XYLEM AND PHLOEM
   4.   ARE NOT SURROUNDED BY PERICYCLE
5. COMPANION CELLS ARE CLOSELY ASSOCIATED WITH
   1.   SIEVE ELEMENTS
   2.   VESSEL ELEMENTS
   3.   TRICHOMES
   4.   GUARD CELLS
6. AS COMPARED TO DICOT ROOT, A MONOCOT ROOT HAS
   1.   MANY XYLEM BUNDLES
   2.   INCONSPICOUS ANNUAL RINGS
   3.   RELATIVELY THICKER PERIDERM
   4.   MORE ABUNDANT SECONDARY XYLEM
7. TRACHEIDS DIFFER FROM OTHER TRACHEARY ELEMENTS IN
   1.   HAVING CASPARIAN STRIPS
   2.   BEING IMPERFORATE
   3.   LACKING NUCLEUS
   4.   BEING LIGNIFIED
8. IF YOU ARE PROVIDED WITH DICOT ROOT AND DICOT STEM WHICH OF THE FOLLOWING ANATOMICAL STRUCTURES WILL YOU USE TO DISTINGUISH BETWEEN THE TWO?
   1.   SECONDARY XYLEM
   2.   SECONDARY PHLOEM
   3.   PROTOXYLEM
   4.   CORTICAL CELLS
9. THE BALLOON SHAPED STRUCTURES CALLED TYLOSES ARE
   1.   CHARACTERIZE THE SAPWOD
   2.   ARE EXTENSIONS OF XYLEM PARENCHYMA CELLS INTO VESSELS
   3.   ARE LINKED TO ASCENT OF SAP THROUGH XYLEM VESSELS
   4.   ORIGINATE IN THE LUMEN OF VESSELS
10. CORTEX IS THE REGION FOUND BETWEEN
    1.   PERICYCLE AND ENDODERMIS
    2.   ENDODERMIS AND PITH
    3.   ENDODERMIS AND VASCULAR BUNDLE
    4.   EPIDERMIS AND STELE
11. SPECIALISED EPIDERMAL CELLS SURROUNDING GUARD CELLS ARE CALLED
    1.   COMPLEMENTARY CELLS
    2.   SUBSIDIARY CELLS
    3.   BULLIFORM CELLS
    4.   LENTICELS
12. WHICH OF THE FOLLOWING STATEMENT IS TRUE?
    1.   PHLOEM FIBRES ARE MADE UP OF LIVING CELLS
    2.   SIEVE TUBE ELEMENTS ARE MULTICELLULAR WITH WIDE LUMEN AND RICH CYTOPLASM
    3.   COMPANION CELLS HELP IN MAINTAINING PRESSURE GRADIENT INSIDE THE SIEVE TUBE
    4.   PHLOEM PARENCHYMA IS ABUNDANTLY PRESENT IN MONOCOTS
13. THE VASCUALAR CAMBIUM GENERALY GIVES RISE TO
    1.   PRIMARY PHLOEM
    2.   SECONDARY XYLEM
    3.   PERIDERM
    4.   PHELLODERM
14. WHICH OF THE FOLLOWING IS MADE UP OF DEAD CELLS
    1.   COLLENCHYMA
    2.   PHELLEM
    3.   PHLOEM
    4.   XYLEM PARENCHYMA
15. STOMATA IN GRASS LEAF ARE
    1.   DUMB BELL SHAPED
    2.   RECTANGULAR
    3.   KIDNEY SHAPED
    4.   BARREL SHAPED
16. GRASS LEAVES CURL INSIDE DURING VERY DRY WEATHER, THE REASON BEHIND THIS IS .....
    1.   FLACCIDITY OF BULLIFORM CELLS
    2.   SHRINKAGE OF AIR SPACES IN SPONGY MESOPHYLL
    3.   TYLOSES IN VESSELS
    4.   CLOSURE OF STOMATA
17. PHLOEM IN GYMNOSPERMS LACK
    1.   SIEVE TUBES ONLY
    2.   COMPANION CELLS ONLY
    3.   BOTH SIEVE TUBE AND COMPANION CELLS
    4.   ALBUMINOUS CELLS AND SIEVE CELLS
18. THE CORK CAMBIUM, CORK AND SECONDARY CORTEX ARE COLLECTIVELY CALLED
    1.   PHELLOGEN
    2.   PERIDERM
    3.   PHELLEM
    4.   PHELLODERM
19. WHICH OF THE FOLLOWING IS NOT A LATERAL MERISTEM?
    1.   INTRAFASCUCULAR CAMBIUM
    2.   INTERFASCICULAR CAMBIUM
    3.   PHELLOGEN
    4.   INTERCALRY MERISTEM
20. INTERFASCICULAR CAMBIUM IS DEVELOPS FROM THE CELLS OF
    1.   MEDULLARY RAYS
    2.   XYLEM PARENCHYMA
    3.   ENDODERMIS
    4.   PERICYCLE