Which of the following is true (A) In gymnosperm reduced gametophyte is called pollen grain (B) The red algae are mostly isogamous (C) protonema stage is present in all bryophyte (D) basidiospore produced endogenously

Which of the following statements are correct? (a) Asexual reproduction is absent in deuteromycets (b) Plasmogamy is brought about by fusion of two vegetative cells of same strain in basidiomycetes (c) Basidiospores and ascospores are produced exogenously and endogenously respectively (d) Bracket fungi is another name of some basidiomycetes

Which of the following structures present in a gymnospermic seed represent the future sporophytic generation? (a) Perisperm (b) Tegmen (c) Radicle (d) Endosperm (e) Plumule (f) Testa. Mark the correct option

Which one of the following is not true of prokaryotes? (a) They are living cells (b) They lack a nucleus (c) They are either archaebacteria or eubacteria (d) All are parasitic

Which one of the following is not true of prokaryotes ? (a) They are living cells (b) They lack a nucleus (c) They all are parasitic (d) They are both archaea and bacteria

Which of the following statements are true? If false, correct them: (a) Boron deficiency leads to stout axis. (b) Every mineral element that is present in a cell is needed by the cell. (c) Nitrogen as a nutrient element, is highly immobile in the plants. (d) It is very easy to establish the essentiality of micronutrients because they are required only in trace quantities.

which of the following features are true for bryophytes? (A) Zygotic meiosis (B) Zygotic mitosis (C) Sporic meiosis (D) Vegetative reproduction by fragmentation

Which of the following is present in the skin of frog? (a) Serous gland (b) Mucus gland (c) Chromatophore cells (d) All of these

Which of the following statements is not true about glucose? (a)It is an aldohexose (b)On heating with HI it forms n-hexane (c)It is present in furanose form (d)It does not give 2,4-DNP test

Which of the following statement is / are not true A. Cork cambium is otherwise called phellogen B. Cork is otherwises called phellem C. Secondary cortex is otherwise called peirderm D. Cork cambium, cork and secondary cortex are collectively called phelloderm

Which of the following statements is/are true (A) It the stem is jointed with solid nodes and hollow internodes, it is called caudex (B) In Tridax the stem is decumbent (C) Corn is a condensed form of rhizome growing more or less in vertical direction (D) Sucker is an underground modification of stem (E) Biparous type of cymose branching is seem in Saraca.