Prepare for NEET Biology Biological Classification with MCQs & PYQs on NEET.GUIDE. Get free practice, previous year questions, and expert guidance to classify and identify organisms.
Which of the following characteristics is NOT common to all protists?
Eukaryotic cell structure
Presence of a nucleus
Membrane-bound organelles
Multicellularity
Which of the following organisms does NOT possess a nucleus enclosed within a membrane?
Saccharomyces
Amoeba
Paramecium
Bacteria
Identify the organism that is characterized by the absence of a true nucleus.
Yeast
Mushroom
Plasmodium
Blue-green algae
Which of these cell types does NOT contain membrane-bound organelles like mitochondria and Golgi apparatus?
Plant cell
Animal cell
Fungal cell
Bacterial cell
In which of the following would you NOT find a nuclear envelope?
Amoeba
Paramecium
Archaebacteria
Yeast
In the light of recent classification of living organisms into three domains of life (bacteria, archaea and eukarya), which one of the following statement is true about archaea?
Archaea resemble eukarya in all respects
Archaea have some noble features that are absent in other prokaryotes and eukaryotes
Archaea completely differ from both prokaryotes and eukaryotes
Archaea completely differ from prokaryotes
Which of the following statement is correct?
Viruses are obligate parasites
All fungi are pathogenic
All algae are eukaryotes
Bacteria are always harmful to mankind
Analyse the following statements and identify the correct options given below
I. Two kingdom system of classification did not distinguish between the eukaryotes and prokaryotes, unicellular and multicellular organism and green algae and fungi.
II. The two kingdom classification used for a long time was found inadequate
Both statements I and II are correct
Both statements I and II are incorrect
Statement I is correct and II is incorrect
Statement I is incorrect and II is correct
Consider the following statements I. All prokaryotic organism were grouped together under kingdom-Monera II. The unicellular eukaryotic organism were placed in kingdom-Protista III. Chlorella and Chlamydomonas, both were having cell walls IV. Paramecium and Amoeba lack cell walls V. Kingdom-Protista has brought together Chlamydomona,Chlorella with Paramecium and Amoeba Which of the statements give above are correct?
I, II, III, IV and V
I, II, III and IV
II, III, IV and V
I and II only
Select incorrect pair.
Porifera โ choanocytes
Coelenerata โ eukaryote
Annelidaโ segmentation
Monera โ eukaryote