🐒 Unit 12 Plant Anatomy and Plant Physiology 🐒

Section A-மாணவர்கள் சரியான பதிலைத் தேர்ந்தெடுக்கவும்

Plants Anatomy and Plants Physiology

1) The endarch condition is the characteristic features of?
a. root
b. stem
c. leaves
d. flower

2) Casparian strips are present in the .............. of the root?
a. Cortex
b. Pith
c. Pericycle
d. endodermis

3) The xylem and phloem arranged side by side on same radius is called ........
a. radial
b. amphivasal
c. conjoint
d. None of the these

4) Which is formed during anaerobic respiration?
a. Carbohydrate
b. Ethyl alcohol
c. Acetyl CoA
d. Pyruvate

5) Oxygen is produced at what point during photosynthesis ?
a. When ATP is converted to ADP
b. When CO₂ is fixed
c. When H₂O is splitted
d. All of these

6) Who discovered light dependent photosynthesis?
a. Robin Hill
b. Nehemiah Grew
c. Kolliker
d. Melvin Calvin

7) Mitochondria contain ..................... of protein
a. 70%-80%
b. 80%-90%
c. 60%-70%
d. 50%-60%15

8) Chloroplasts are .............. shaped organelles
a. disc
b. round
c. oval
d. circle

9) The inner mitochondrial membrane gives rise to finger projections called .......
a. oxysomes
b. matrix
c. cristae
d. stalk

10) Leucoplasts are .................. plastids
a. colourless
b. yellow
c. orange
d. red

பிரிவு B-மாணவர்கள் மிகச் சரியான பதிலைத் தேர்ந்தெடுக்கவும்

Plants Anatomy and Plant Physiology

1) Amphivasal bundle blongs to ....... type of vascular bundle
a. concentric
b. colateral
c. conjoint
d. radial

2) Exarch and tetrarch xylem are a feature of ...........
a. dicot stem
b. dicot leaf
c. monocot root
d. dicot root

3) The .... is called starch sheath in a dicot stem
a. epidermis
b. pericycle
c. endodermis
d. hypodermis

4) Protoxylem lacuna refers to a ..............
a. thickening
b. arrangement of xylem
c. a cavity
d. exarch xylem

5) Mitrochondria was discovered by .......
a. Sachs
b. Kelvin
c. Melvin
d. Kolliker

6) ...... are racket shaped particles seen is inner mitochondial membarane?
a. Porin
b. ATP
c. Oxysome
d. Grana

7) Respiratory quotient for aerobic respiration is ............
a. 2
b. infinity
c. 1
d. 0

8) ....... is the outer most layer
a. Stomata
b. Epidermis
c. Periderm
d. Skin

9) ...... helps in transpiration
a. Stomata
b. Epidermis
c. Trichomes
d. Root hairs

10) ...... helps in absorption of water and minerals
a. Root hairs
b. Stomata
c. Epidermis
d. Trichomes

11) ...... is the outermost layer of the root
a. Epiblema
b. Cortex
c. Endodermis
d. Stele

12) Name the tissue present between the upper and lower epidermis
a. Lower epidermis tissue
b. Pith
c. Upper epidermis tissue
d. Mesophyll