Thinning of eggshell and their premature breaking is due to

Related MCQs

• In a population, group of individuals of similar phenotypes are formed due to differential reproduction due to
• In mitosis the daughter cells resemble to their parent cell. But in meiosis they differ not only from parent cell in having half the number of chromosomes, but also differ among themselves qualitatively in genetic constitution due to.....
• What true for the following statements ? Statement X : During evolution many species, by continous development of their internal environment, made their physiologycal processes more efficient. Statement Y : Orgenisms show adaptations in order to survive in the enviornment X Y X Y
• Which of the following statement are correct? (A) The mission of museum is to preserve biological diversity and cultural heritage (B) Several major botanical gardens of the world have museum and zoological parks as an integral part of their facilities (C) Botanical garden is a stare house of plant specimen collected from different localities (D) New varities are developed through grafting, tissue culture, cloning and hybridization in botanical garden
• Which of the following option shows correctly matched pairs for colum I and colum II Column-I Column-II (P) Germinal epithelium (i) Ova and their surrounding tissues (Q) Ovarian follicles (ii) Mature ovum and its surrounding tissues (R) Graffian follicle (iii) After ovulation produce glandular body (S) Corpus luteum (iv) Cuboidal epithelium
• A. Genetic drift refers to change in allelic frequencies of a gene pool due to chance and occurs both in large and small populations. R. Small populations will, therefore, suffer more than larger ones.
• Match the list :_ans_key_Column I Column II (P) Lotus and sunflower (i) Hydronasty (Q) Crocus and tulip (ii) Thigmonasty (R) Due to turgidity of leauses (iii) Thermonasty (S) Mimosa (iv) Photonasty
• Which of the following statement is/are correct for prophase of mitosis ? (i) At the end of this phase nuclear membrane and nucleolus disintegrate. (ii) At the end of this phase two chromosome and a centromere holding them together. (iii) This phase begins with the condensation of chromatids along their lengths.
• Which of the following option shows correctly matched pairs for colum I and colum II Column-I Column-II (P) Seminal vesicle (i) Serves as Lubricant (Q) Prostate gland (ii) Delicate sperms and enhancing their motility (R) Bulbourethral gland (iii) Nourishes the sperm (S) s*men (iv) Activating sperms
• Genetic homogeneity and exact similarity between chromosomes of various cell within the same type of issue of plant is due to :