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What is true for IUDs? I: They are self-inserted II: They are inserted by expert nurses III: They may be non-medicated IUDs, copper releasing IUDs or hormone releasing IUDs. IV: They are the one of the most widely accepted contraceptives in India. V: They are inter-uterine devices
Match the Assisted Reproductive Technologies (ARTs) with their correct descriptions: I. Collected gametes are made to form the zygote in the laboratory. II. Zygote or early embryo with upto 8 blastomeres is transferred into the oviduct. III. Zygote with more than 8 blastomeres is transferred into the uterus. IV. Fusion of gametes within the female. V. Transfer of ovum from a donor to the oviduct of the recipient. VI. Sperm is injected into the ovum in-vitro.
Given below are two statements: Statement I: In the RNA world, RNA is considered the first genetic material evolved to carry out essential life processes. RNA acts as a genetic material and also as a catalyst for some important biochemical reactions in living systems. Being reactive, RNA is unstable. Statement II: DNA evolved from RNA and is a more stable genetic material. Its double helical strands being complementary, resist changes by evolving repairing mechanism. In light of the above statements, choose the most appropriate answer from the options given below:
What is the role of RNA polymerase III in the process of transcription in Eukaryotes?
Which experimental material was used by Taylor and colleagues to prove that DNA in chromosomes replicates semiconservatively?
Which of the following is not a cloning vector?
How many true breeding pea plant varieties did Mendel select as pairs, which were similar except in one character with contrasting traits?
The association of histone H1 with a nucleosome indicates:
Which one of the following is not a criterion of genetic material?
Which one of the following helps in absorption of phosphorus from the soil by plants?
Given below are some stages of human evolution. Arrange them in the correct sequence (Past to Recent): A. Homo habilis B. Homo sapiens C. Homo neanderthalensis D. Homo erectus
Enzymes that utilize ATP in phosphate transfer require an alkaline earth metal (M) as the cofactor. M is :
Which of the following is the correct sequence of events in the origin of life? I: Formation of protobionts. II: Synthesis of organic monomers. III: Synthesis of organic polymers. IV: Formation of DNA-based genetic systems.
Monascus purpureus is the yeast used commercially in the production of:
Match List-I with List-II: List-I A. Alfred Hershey and Martha Chase B. Euchromatin C. Frederick Griffith D. Heterochromatin List-II I. Streptococcus pneumoniae II. Densely packed and dark-stained III. Loosely packed and light-stained IV. DNA as genetic material confirmation
The Earth Summit held in Rio de Janeiro in 1992 was called
Match the following columns and select the correct option. Column-I (a) Pituitary gland (b) Thyroid gland (c) Adrenal gland (d) Pancreas Column-II (i) Grave's disease (ii) Diabetes mellitus (iii) Diabetes insipidus (iv) Addison's disease
Identify the wrong statement with reference to immunity.
Consider the following statement : (A) Coenzyme or metal ion that is tightly bound to enzyme protein is called prosthetic group. (B) A complete catalytic active enzyme with its bound prosthetic group is called apoenzyme. Select the correct option.
Which one single organism or the pair of organisms is correctly assigned to its or their named taxonomic group?