Skip to content 1 An earthworm (annelid
SA (Short)
2 Does the term 'biodiversity' relate only to the variety of organisms, or does it encompass other elements?
VS (Very Small)
3 Sponges represent one of the simplest animal body plants.
MCQ (Multiple Choice)
4 Meena and Hari observed an animal in their garden.
MCQ (Multiple Choice)
5 If you find a new organism in a pond, what features will you observe to classify it and why?
SA (Short)
6 How can changes in climate affect the biodiversity?
SA (Short)
7 Why do genetic studies provide deep information about living beings?
SA (Short)
8 Observe two different animals in your immediate environment.
SA (Short)
9 You find an unlabelled slide of a single-celled organism that has a well-defined nucleus and multiple cilia.
SA (Short)
10 How does the diversity of organisms contribute to the balance and stability of an ecosystem?
LA (Long)
11 How would a scientist justify choosing cellular organisation as a more fundamental characteristic for the basis of classification rather than the presence of xylem and phloem?
SA (Short)
12 If all unicellular organisms were grouped into a single kingdom, what problems would arise?
LA (Long)
13 Viruses were studied in earlier classes.
SA (Short)
14 If you were asked to revise the five kingdom classification, would you create a separate category for viruses or keep them outside the system?
LA (Long)
15 Viruses contain genetic material like living organisms but lack cellular organisation.
LA (Long)
16 Both pteridophytes and bryophytes lack flowers and seeds, yet they are placed in different groups.
SA (Short)
17 In the classification hierarchy, which group — class or genus — has fewer members but more features in common?
SA (Short)
18 A researcher identified a unicellular eukaryotic organism as fungi.
SA (Short)
19 A scientist discovers a new organism with the characteristic features of locomotion and autotrophic nutrition.
SA (Short)
20 During a long-term ecological study, students examined organisms collected from three different environments — a freshwater pond, damp soil near decaying logs and the digestive…
CB (Case Based)
21 What do you understand by biodiversity?
VS (Very Small)
22 How does the grouping of organisms help us understand diversity?
VS (Very Small)
23 On what basis, are plants and animals classified?
VS (Very Small)
24 Which plant features reduce their dependence on water but still require moist conditions?
SA (Short)
25 How does classification help address problems in farming?
SA (Short)
26 If many organisms share common features, could they also share a common ancestry?
VS (Very Small)
27 How can a single-celled organism carry out all its life processes when billions of cells are required to perform similar functions in multicellular organisms like us?
SA (Short)
28 Why do taller plants need specialised transport tissues?
SA (Short)
29 How do seeds and fruits affect, where and how plants can survive?
SA (Short)