List of top Botany Questions asked in AP EAPCET

Assertion (A): Photorespiration is a wasteful process.
Reason (R): There is no synthesis of sugars, ATP or NADPH, instead ATP is utilized and CO$_2$ is released in photorespiration.

Choose the correct statement related to the morphology of Cassia

The hypodermis tissues in dicot and monocot stems respectively

Assertion (A): Loss or gain of a segment of DNA results in alteration in chromosomes.
Reason (R): Alterations in chromosomes do not result in abnormalities.

Match the following

List I	List II
I) Makoi	D) Solanum nigrum
II) Red dragon	A) Dracaena angustifolia
III) Sarasaparilla	B) Smilax zeylanica
IV) Night queen	C) Cestrum nocturnum

A student has identified certain fungi given below and classified under this number of classes. Mucor, Claviceps, Puccinia, Albugo, Neurospora

Structure of bacteriophages is complicated because they show

A specific organism [A] showing the lack of cell wall, survive without oxygen, pleomorphic. The other organism [B] has cell wall embedded with silica and indestructible. A and B respectively belong to

Haem group associated with the enzyme catalase is an example of

Assertion (A): There is no variation in size of mature seeds in orchids.
Reason (R): Lodoicea maldivica is the plant with largest seed.

Hydroponics was first demonstrated by

With reference to stomatal movement, choose the correct statements:
[a.] Proton efflux increases pH of guard cells.
[b.] Efflux of K$^+$ and Cl$^-$ decreases water potential of guard cells.
[c.] In the absence of light, K$^+$ and Cl$^-$ efflux from guard cells.
[d.] Presence of ABA in guard cells causes efflux of K$^+$.

Assertion (A): Vernalization is seen in Biennials
Reason (R): Cold treatment stimulates photo-periodic flowering response in cabbage.

Choose the correct combinations from the following

• A. Induce sprouting of Potato tubers - Ethylene
• B. Kill the dicot weeds - Cytokinin
• C. Increase in stalk length of grapes - Gibberellins
• D. Induce apical dominance - Auxins

Water potential is equal to solute potential in the following

The physiological and morphological phenomena that happen when bulliform cells absorb water and undergo water stress respectively

List I List II List III

List I	List II	List III
(a) Witches Broom	(III) Mycoplasma	(i) Prokaryote
(b) Sleeping Sickness	(I) Trypanosome	(iii) Protozoa
(c) Early Blight	(IV) Alternaria	(ii) Fungi
(d) Scrapie	(II) Sheep	(iv) Virus

Bacteria that have specialized cell wall and plasma membrane structures to live and withstand extreme environmental conditions are called