NEW
Font size
WorksheetsQuiz on XI Biology
Total questions: 25
Worksheet time: 22mins
As we go from species to kingdom in a taxonomic hierarchy, the number of common characteristics
Will decrease
Will increase
Remain same
May increase or decrease
With respect to fungal sexual cycle, choose the correct sequence of events
Karyogamy, Plasmogamy and Meiosis
Meiosis, Plasmogamy and Karyogamy
Plasmogamy, Karyogamy and Meiosis
Meiosis, Karyogamy and Plasmogamy
Which of the following plants shows this type of life cycle?
Green Algae
Gymnosperms
Pteridophytes
Angiosperms
Which one of the following sets of animals share a four chambered heart?
Amphibian, Reptiles, Birds
Crocodiles, Birds, Mammals
Crocodiles, Lizards, Turtles
Lizards, Mammals, Birds
Venation is a term used to describe the pattern of arrangement of
Floral organs
Flower in inflorescence
Veins and veinlets in a lamina
All of them
A conjoint and open vascular bundle will be observed in the transverse section of
Monocot root
Monocot stem
Dicot root
Dicot stem
Match the tissue with the organ it is found in
A-i, B-ii, C-iii, D-iv
A-iv, B-iii, C-i, D-ii
A-iii, B-i, C-iv, D-ii
A-ii, B-i, C-iv, D-iii
Identify the stage of mitosis
Anaphase
Prophase
Metaphase
Telophase
Who proposed the Double Helix Model of DNA?
Singer and Nicholson
Crick and Watson
Schwann and Schleiden
Darwin and Wallace
Plastid differs from mitochondria on the basis of one of the following features:
Presence of two layers of membrane
Presence of ribosome
Presence of chlorophyll
Presence of DNA
Water potential of pure water at standard temperature is equal to
1
2
0
-1
Reaction carried out by N2 fixing microbes include:
a. 2NH3 + 3O2 → 2NO3–– + 2H+ + 2H2O (i)
b. 2NO2– + O2 → 2NO3– (ii)
Which of the following statements about these equations is not true?
step (i) is carried out by Nitrosomonas or Nitrococcus
step (ii) is carried out by Nitrobacter
both steps (i) and (ii) can be called nitrification
bacteria carrying out these steps are usually photoautotrophs
Energy required for ATP synthesis in Photo System II comes from
Proton gradient
Electron gradient
Reduction of glucose
Oxidation of glucose
The ultimate electron acceptor of respiration in an aerobic organisms is:
Cytochrome
Oxygen
Hydrogen
Glucose
Match the plant hormones with the correct source or effect
A – iv, B – iii, C – v, D – ii, E – i
A – v, B – iii, C – iv, D – ii, E – i
A – iv, B – i, C – iv, D – iii, E – ii
A – v, B – iii, C – ii, D – i, E – iv
Select what is not true of intestinal villi among the following statements:
They possess microvilli
They increase the surface area
They are supplied with capillaries and the lacteal vessels
They only participate in digestion of fats
The maximum volume of air a person can breathe in
after a forced expiration is
Total lung capacity
Tidal volume
Vital capacity
Inspiratory capacity
P wave in an ECG represents
Depolarisation of atria
Repolarisation of atria
Depolarisation of ventricles
Repolarisation of ventricles
Which of the following pairs is wrong?
Uricotelic ———- Birds
Ureotelic ———- Insects
Ammonotelic ———- Tadpole
Ureotelic ———- Elephant
Number of bones in cranium is
8
14
22
3
Knee joint and elbow joints are examples of
Saddle joint
Ball and socket join
Pivot joint
Hinge joint
Vitamin present in Rhodopsin is
Vitamin A
Vitamin B
Vitamin C
Vitamin D
Resting membrane potential is maintained by
Hormones
Neurotransmitters
Ion pumps
None of the above
Select the right match of endocrine gland and their hormones among the options given
A-iv, B-ii, C-iii, D-i
A-ii, B-iv, C-i, D-iii
A-iv, B-ii, C-i, D-iii
A-ii, B-iv, C-iii, D-i
The following substances are the excretory products in animals. Choose the most toxic form among them
Urea
Uric acid
Ammonia
Carbon dioxide
