Refer the given statements
(i) Incomplete or mosaic inheritance is an example of pre-Mendelian concept of blending inheritance
(ii) Test cross is a special type of back cross
(iii) Chromosomal aberrations are commonly observed in cancer cells
(iv) Thalassaemia is a Mendelian disorder
Which of the above statements are correct ?

Select the correct statements :- (A) Mutation causes changes in the genotype and the phenotype of an organism. (B) Chromosomal aberrations are commonly observed in cancer cells. (C) Sickle cell anemia is a classical example of point mutation. (D) Deletions and insertions of base pairs of DNA causes frame shift mutations.

Study the following statements regarding the anatomy of isobilateral leaf. (i) Stomata are equally distributed on both the surfaces (ii) certain adaxial epidermal cells are modified into bulliform cells in grasses. (iii). The vasuclar bundles are radial (iv). Phloem is adaxially placed. Which of the above statements are correct?

Study the following statements regarding the anatomy of isobilateral leaf. (i) Stomata are equally distributed on both the surfaces (ii) certain adaxial epidermal cells are modified into bulliform cells in grasses. (iii). The vasuclar bundles are radial (iv). Phloem is adaxially placed. Which of the above statements are correct?

Read the following statements and choose the correct option I. Failure of segregation of chromatids during cell division results in aneuploidy (II) Chromosomal disorders are mainly determined buy alteration or mutation in a single gene (III) Thalassemia and cystic fibrosis are Mendelian disorders (IV) Sickle cell anemia is an X- linked trait ltbvrgt (V) Haemophilia is an autosome linked recessive disease

Pick out the correct statements. (i) Cytokinins specially help in delaying senescence. (ii) Auxins are involved in regulation apical dominance. (iii) Ethylene is specially useful in enhancing seed germination. (iv) Gibberellins are responsible for premature falling of leaves. Which of the above statements are correct?

Read the following statements carefully. (i) Cancer causing viruses have genes called viral oncogenes. (ii) Malignant tumors remain confined to their original location. (iii) Cancer cells do not exhibit contact inhibition. (iv) X-rays and UV rays are not potent carcinogens. (v) Cancer detection is based on biopsy. Which of the above statements are not correct regarding cancer ?

Read the following statements carefully. (i) Cancer causing viruses have genes called viral oncogenes. (ii) Malignant tumors remain confined to their original location. (iii) Cancer cells do not exhibit contact inhibition. (iv) X-rays and UV rays are not potent carcinogens. (v) Cancer detection is based on biopsy. Which of the above statements are not correct regarding cancer ?

Read the following statements carefully. (i) Cancer causing viruses have genes called viral oncogenes. (ii) Malignant tumors remain confined to their original location. (iii) Cancer cells do not exhibit contact inhibition. (iv) X-rays and UV rays are not potent carcinogens. (v) Cancer detection is based on biopsy. Which of the above statements are not correct regarding cancer ?