Q.69 Match List I with List II LIST I LIST II A. Therophytes B. Geophytes C. Chamaephytes D. Phanerophytes I. Buds are located above ground but low enough to not […]
Q.68 The characters that define family Amborellaceae A. flowers unisexual, tricolpate pollen, endosperm triploid B. flowers unisexual, monoaperturate pollen, single ovule C. flowers unisexual, tricolpate pollen, single ovule D. flowers […]
Q.67 Important characters of Batrachospermum are A. fresh water habitat B. sexual reproduction is of advanced oogamous type C. chantransia stage is found D. monospore produced from chantransia stage Choose […]
Q.66 Nitrogen, the main element contributing to the growth of plants in vitro and in-vivo is the constituent of A. Amino acids B. Certain hormones C. Co-factor of many enzymes […]
Q.65 Puccinia graminis tritici is a macro-cyclic rust fungi due to presence of A. Pycniospores B. Aeciospores C. Uredospores D. Teleutospores E. Basidiospores Choose the correct answer from the options […]
Q.64 The flavouring constituent of Ferula assa-foetida is the exudate collected A. from the surface of leaves B. from the surface of cut roots C. from the flowers D. from […]
Q.63 Possible sources of contamination of the nutrient medium in plant tissue culture are: A. the medium itself B. the culture vessel C. the explant D. the environment of the […]
Q.62 Properties of the genetic code are: A. composed of nucleotide triplets B. non overlapping except rare cases C. comma-free D. degenerate E. ordered Choose the most appropriate answer from […]
Q.61 Given below are two statements: Statement-I: Allopatric speciation requires thousands to millions of years and thousands of generations. Statement-II: Allopatric speciation occurs commonly in plants through polyploidy. In the […]
Q.60 Given below are two statements: Statement-I: An organism in which a chromosome, or a piece of a chromosome is over represented is referred to as a hypoploid. Statement-II: An […]