List of top Questions asked in AP EAPCET

Assertion (A): Pollen banks can be used in crop breeding programs.
Reason (R): Pollen grains can be stored for many years in liquid nitrogen.

In hymenopteran insects the unfertilized eggs develop into:

Artificial insemination means

Choose the incorrect pair among the following

• A. Biosphere reserve - Indo Burma region
• B. Aravalli Hills - Rajasthan and Gujarat
• C. Koringa sanctuary - Uttarakhand
• D. Biodiversity hotspot - Himalayan region

Assertion (A): Dry dehiscent fruits are usually single seeded.
Reason (R): Tridax fruit is cypsella with pappus like calyx.

Cells derived from any of the three germ layers are

Dodder plant (Cuscuta) belongs to __ family.

Name the cells of mature pollen grain when you observe under microscope with the following characters respectively,
A) Bigger cell with abundant food reserve and large irregular shaped nucleus.
B) Small, dense cytoplasm with nucleus.

Select the incorrect statements related to anatomical characters from the following
I) Endodermis is a part of the stele.
II) Endodermis with casparian strips are found in the dicot stem.
III) Bulliform cells are found in the upper epidermis of the isobilateral leaf.
IV) Vascular bundles are open in monocot stems.

Erythropoietin hormone is produced by

Identify the correct combination.
A. Agrobacterium tumefaciens – vector for transgenic plant.
B. Escherichia coli – selectable marker.
C.Thermus aquaticus – Taq polymerase.
D.Bacillus thuringiensis – BT. Toxin.

Match the following:

List I	List II	List III
I. Robert Costanza	C) Price tags	ii) Nature’s life support services
II. Sundarbans	A) Mangroves	iv) Flood protection
III. Lichens	D) Soil formation	i) Other supporting service
IV. Ecological function	B) Public transit	iii) Conserve natural services

Arrange the following events in the correct sequence during the process of fertilization in Angiosperms: I. Fusion of other male gamete with polar nuclei
II. Transfer of pollen grains from anther to stigma
III. Fusion of male gamete with egg nucleus
IV. Release of male gametes into cytoplasm synergid
V. Pollen tube formation

Deficiency of the following causes Necrosis or death of leaf tissue

Assertion (A): Dengue fever is caused due to failure of clot reaction.
Reason (R): The patient of dengue may require transfusion of blood platelets.

Identify the correct statement:

Duchenne muscular dystrophy is an example of:

Lac Operon concept is introduced by these biochemists and geneticists: