List of top Questions asked in AP EAPCET

Assertion (A): Ascaris lumbricoides completes its entire life cycle within the small intestine. Reason (R): Larvae of Ascaris undergo extra intestinal migration.

Which of the following animal has a three-chambered heart?

Which of the following combinations are correct?
(I) Cnidaria - Coral formation - Gorgonia
(II) Ctenophora - Comb plates - Pleurobrachia
(III) Nematoda - Renette gland - Neometra
(IV) Mollusca - Radula - Pila

An organism is triploblastic but lacks a body cavity. It is:

Match the following animals with their characteristic features: figure [H]

figure

Assertion (A): Species is an ecological unit. Reason (R): It shares the same ecological niche.

Study the following statements regarding Biodiversity conservation: I. Sacred groves are examples of in-situ conservation. II. National parks allow private ownership of land within their boundaries. III. Wild life sanctuaries may permit limited eco-tourism under regulation. IV. Ex-situ conservation includes seed banks and cryopreservation.

Study the following statements regarding connective tissue:
Statement I: Cartilage is a vascular connective tissue.
Statement II: Perichondrium is absent in fibrous cartilage.

Propionibacterium shermanii is used for the making of:

Match the column-I with column-II: A) Lipases, B) Pectinases, C) Streptokinase, D) Statin (I) Juice clarification, (II) Remove oil stains, (III) Lowers blood-cholesterol, (IV) Remove clots from blood vessels

Transfer of new genes into wild species through natural out-crossing leads to:

Roundup Ready soybean has which one of the following features?

Parbhani Kranti, a variety of Bhindi, has resistance to:

Choose the correct statements among the following: A) Selection of recombinant DNA by the inactivation of antibiotics is a cumbersome process. B) Formation of chimeric DNA is possible when cutting the DNA by a restriction enzyme and by adding ligase. C) Any protein-encoding gene expressed in a heterologous host is called a recombinant protein. D) The probability that GAATTC occurs in DNA is once in 4196 nucleotides.

Choose the incorrect statements: A) Alien DNA can be linked to origin of replication of DNA. B) DNA ligase can act as a restriction enzyme. C) Each restriction endonuclease recognizes a specific palindromic nucleotide sequence in DNA. D) Exonucleases will cut the specific position of DNA.

Arrange the following events of lytic cycle of virus in a sequence: A) Phage DNA is assembled in the protein to form viral particles. B) Bacterial cell lysis, releasing completed infective phages. C) The phage DNA directs the cell's metabolism to produce viral components. D) Phage attaches to receptor site of bacterial cell.

Assertion (A): Though the parents contain two alleles during gamete formation, the alleles of a pair segregate from each other. Reason (R): Segregation is a universal phenomenon in all organisms showing sexual method of reproduction.

Choose the correct statements among the following: A) Some genes are very tightly linked on the same chromosome, which shows higher recombination. B) Sutton proposed the chromosome theory of inheritance. C) Behaviour of the chromosome was parallel to the behaviour of genes. D) Mendel's selection of one of the contrasting traits is seed shape as inflated and wrinkled.

Identify the molecules with 4 double bonds with 2 Nitrogen atoms and 4 double bonds with 5 Nitrogen atoms in the following respectively.

Assertion (A): Conjugation is a conservative process. Reason (R): Donor bacterium generally retain a copy of genetic material as the F plasmid will itself move through the bridge to the recipient cell without replication.

Choose the correct statements among the following: A) Transcriptase catalyzes the polymerization in 5' $\rightarrow$ 3' direction only and the 3' $\rightarrow$ 5' strand is referred to as template. B) The chemical method of Khorana was instrumental in the synthesis of homopolymers of RNA. C) tRNA amino acid acceptor end has bases complementary to the code. D) 23s r-RNA in bacteria is a ribozyme.

Assertion (A): Asparagine and glutamine are most important amides found in plants as a structural part of a protein. Reason (R): Amides contain more nitrogen than amino acids as hydroxyl part of the acid is replaced by another $NH_{2}^{-}$ radicle.

Choose the correct statement:

Assertion (A): With the increase in substrate concentration the velocity of enzymatic reaction reaches Vmax which is not exceeded by any further rise in substrate concentration. Reason (R): Enzyme molecules are fewer than the substrate molecules.

If 6 $CO_2$ molecules entered into the Calvin cycle, number of G-3-P formed, net gain of G-3-P and G-3-P participated in RUBP regeneration are: