Class 10 - Biology - How Do Organisms Reproduce? (Very Short Questions & Answers)

 How Do Organisms Reproduce? 

Avocado Seed
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Very Short answer Questions asked in board examinations. 
Q1: Why simply copying of DNA in a dividing cells not enough to maintain continuity of life?

Answer: Copying of DNA along with creation of an additional cellular apparatus is necessary.

Q2: How does plasmodium undergo fission?

Answer: Plasmodium divides into many daughter cells simultaneously

Q3: How spirogyra reproduces by fragmentation?

Answer: Breaks up into smaller pieces, on maturation each fragment grows into new individual.

Q4: Which cells are responsible for budding in Hydra?

Answer: Regenerative cells

Q5: On which plant can you find buds on its leaves?

Answer: Bryophyllum

Q6: Write the scientific name of the bread mould.

Answer: Rhizopus

English Grammar (Quiz on Verbs and Tenses)(#eduvictors)(#englishgrammarquiz)

English Grammar

 (Quiz on Verbs and Tenses)

Fill in the blanks by writing the appropriate tense form of the verb given in brackets. Also, name the tense form filled here.

1. Fashion is important to Shyam, so he always _______________ the latest and most popular poaching style. (to select)

2. While Radha_______________ new clothes, her fashion consultant is busy on the sidelines,
recommending stripes and long 'kurtas' to minimize the bulge factor. (to buy)

3. Shyam hopes that the next fashion fad _______________ a more mature, oval figure like his own. (to flatter)

4. She once _______________ a purple suede pantsuit, which clashed with her orange “I Love Motorcycles” tattoo. (to purchase)

Class 10 - Biology - How Do Organisms Reproduce? (Very Short Questions)

Very Short answer Questions asked in board examinations. 

Q1: Why simply copying of DNA in a dividing cells not enough to maintain continuity of life?
Q2: How does plasmodium undergo fission?
Q3: How spirogyra reproduces by fragmentation?
Q4: Which cells are responsible for budding in Hydra?
Q5: On which plant can you find buds on its leaves?
Q6: Write the scientific name of the bread mould,
Q7: Name the structure into which following develops : the plumule and radicle?
Q8: Where are the testes located in human beings?
Q9: For what specific reason have the testes specific location?
Q10: Correlate the rate of general body growth and maturation of reproductive tissue during
puberty?

NTSE SAT Paper (Civics)

NTSE / Class 8 Civics MCQ

Q1: Adult suffrage is the basis of

       a. Democracy     b. Dictatorship        c. Autocracy      d. Communism

Q2: The Preamble to the Constitution includes all except

       a. Adult Franchise             b. Equality of status

       c. Fraternity                       d. Justice

Q3: Dictatorship is a government in which

       a. The dictator is tolerant of any opposing group

       b. The entire power of the government is held by a single person

       c. There is freedom of speech and Press

       d. People can choose new leader by vote.

Q4: Secularism means

      a. Suppression of all religions

      b. Freedom of worship to minorities

      c. A system of political and social philosophy that does not favour any particular religious faith

      d. Separation of religion from State

Maths Challenges (Answers)

Maths Challenges (Answers)

See Maths Challenges (Questions)...

Answer1: When two distinct lines cut each other, they always meet at single point. These two lines can cut the circle maximum at four different points. Therefore, maximum number of intersection points is 5 i.e (d). Following figure explains this.


Answer 2:
Total possible outcomes are 16 i.e.
HHHH, HHHT, HHTH, HHTT, HTHH, HTHT, HTTH, HTTT, THHH, THHT, THTH, THTT, TTHH, TTHT, TTTH, TTTT
The catch here is at least as many heads as tails, such possibilities are 11.
$\Rightarrow$ the probability is $\frac{11}{16}$

Answer 3:
Here product is a prime number. Since we know prime number is divisible by self and number 1 only. So the only choice for m is 1.

कुछ महत्तवपूर्ण मुहावरे (Hindi Proverbs Quiz)

कुछ महत्तवपूर्ण  मुहावरे

१.   अंक में लेना

क) गले लगाना

ख) वात्सल्य प्रेम प्रदर्शित करना           

ग) प्रेम प्रदर्शित करना

घ) गोद लेना

२.  अंग अंग ढीला होना 

क) शिथिल कर देना

ख) बहुत मारना

ग) मालिश करना

घ) सताना

३.अंग अंग मुसकाना

क) अत्यंत प्रसन्न  होना

ख) भाव विभोर होना

ग) हाव भाव प्रकट करना

घ) व्यायाम करना

४.अंग न लगना

क)खाने पीने का असर न होना 

ख) परिश्रम न करना

ग) अत्यन्त  भोजन करना

घ)पकड़ा  न जाना 

५.अंगारे उगलना

क) क्रोध में आकर कठोर शब्द कहना

ख) आग फेंकना

ग) लाल पीला होना

घ)उतावली करना

६. अंगारों पर लेटना

क) बहुत परेशान होना

ख) दुखी होना

ग) चिंता करना

घ) उतावली करना

७. अंगुली उठाना

क) निन्दित होना

ख) हानि पहुँचाना

ग) बुराई करना

घ) संकेत करना

८. अंगुली पर नाचना

क) वश में रखना

ख) इशारा करना

ग) बहुत काम करना

घ) संत्रास देना

९. अंगूठा दिखाना

क) मौके पर काम न करना

ख) चिढ़ाना

ग) बेबस करना

घ) परेशान करना

१०. आंचल पसारना

क) भीख माँगना

ख) रक्षा की याचना करना

ग) बहुत रोना

घ) विनत हो जाना

११. अंतडियो  में बल पड़ना

क) बहुत रोना

ख) बहुत हँसना

ग) बीमार होना

घ) दौड़ धूप करना

१२. अंत करना  

क) मार डालना

ख) समाप्त करना

ग) छोड़ देना

घ) कहीं भेज देना

१३. अँधा क्या चाहे दो आँखें

क) आवश्यक वस्तु की प्राप्ति

ख) आगे आना

ग) मुराद पूरी होना

घ) पशेमान होना

१४. अँधा बन जाना

क) टाल देना

ख) अनजान बन जाना

ग) धोखे में आ जाना

घ) लालायित होना

१५. अंधेर नगरी चौपट राजा 

क) अव्यवस्था होना

ख) किसी की बात न सुनना

ग) किसी राजा की कहानी

घ) बेपरवाह होना

१६. अक्ल का दुश्मन 

क) बेवकूफ

ख) महा मूर्ख

ग) पागल

घ) बुद्धिहीन

१७. अक्ल चरने जाना 

क) बुद्धि से काम न करना

ख) बाहर घूमने जाना 

ग) हाज़िर जवाब होना

घ) आमोद प्रमोद करना

१८. अक्ल बड़ी या भैंस 

क) शक्ति संपन्न ही मात्र होते हैं

ख) सशक्त शरीर में ही बुद्धि का निवास नहीं होता

ग) भैंस और अक्ल का क्या मुकाबला

घ) अक्लमंद ही बड़े होते हैं भैंस  नहीं

१९. अखाड़ा  मारना

क) हरा देना

ख) विजय प्राप्त करना

ग) कुश्ती लड़ना 

घ) परेशान करना

२०.  अग्नि /आग  में घी डालना 

क) क्रोध बढ़ाना

ख) हवन करना 

ग) उद्विग्न करना

घ) प्रज्ज्वलित करना

२१. अच्छे दिन देखना 

क) सुख पूर्वक यात्रा करना

ख) तीर्थ दर्शन करना

ग) सुख सुविधा से जीवन यापन करना

घ) शुभ मुहूर्त में उठना

२२.अठखेलियाँ  करना 

क) दिल्लगी करना

ख) मज़े में रहना

ग) खेल खेलना

घ) हँसना

   

Maths Challenges (Questions)

Maths Challenges (Questions)

Q1:A circle and two distinct lines are drawn on a sheet of paper. What is the largest possible number of points of intersection of these figures?
    (a) 2        (b) 3      (c)  4    (d) 5
 
Q2: Reena tosses a coin four times. The probability that she gets at least as many heads as tails is
    (a) 5/6      (b) 3/8     (c) 11/16      (d) 5/8

Q3: Given that the product of two whole numbers m × n is a prime number, and the value of m is
smaller than n, find the value of m.

Q4: Jane has 9 boxes with 9 accompanying keys. Each box can only be opened by its accompanying
key. If the 9 keys have been mixed up, find the maximum number of attempts Jane must make
before she can open all the boxes.                     (Singapore Asia-Pacific Mathematical Olympiad Competition)

Q5: If 32 people were to enter a statewide singles tennis tournament, how many matches would be played, including the championship?

Q6: I have 2 vats each containing 2 mats. 2 cats sat on each of the mats. Each cat wore 2 funny old hats. On each hat lay 2 thin rats. On each rat perched 2 black bats. How many things are in my vats? (NCERT class 7 Maths Brain Teasers)

Q7: How many positive integers less than and equal to 999 are divisible by 7 but not by 11?

Q8(SMOPS): How many digits are there before the hundredth 9 in the following number
        9797797779777797777797777779......?

Q9(Olympiad): Suppose today is Tuesday. What day of the week shall it be 100 days from now?

Follow the link to see the answers Maths Challenges (Answers)

Class 10 - Science - CH4 - Carbon and Its Compounds (Q & A) (#cbsenotes)(#eduvictors)

Class 10 - Carbon and Its Compounds

cellulose
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Q1. What is next homologue of C₃H₇OH is called?

Answer: The next homologue of C₃H₇OH is called butanol C₄H₉OH.


Q2. What is the molecular formula of the alcohol which can be derived from propane?

Answer: Propane: CH₃-CH₂-CH₃ or C₃H₈
Alcohol obtained from propane is C₃H₇OH.


Q3. What is meant by the term functional group?

Answer: An atom or a group of atoms, which makes a carbon compound reactive and decides its
properties. is called a functional group.

Q4. Give the names of the functional groups: (CBSE 2007)
          i) -CHO  (ii  -C=O

Answer: (i) Aldehydic group (ii) Ketonic group.

Q5. Give the names of the following functional groups: (CBSE 2007)
         i) —OH (ii) —COOH

Answer: (i) Alcoholic (ii) Carhoxylic.

CBSE Class 7 - Science - Light - Questions & Answers

Class 7 - Ch 15 - Science - Light - Questions & Answers

Question1: Fill in the blanks
a. An image that cannot be obtained on a screen is called ______.

b. Image formed by a convex _______ is always virtual and smaller in size.

c. An image formed by a __________ mirror is always of the same size as that of the object.

d. An image which can be obtained on a screen is called a _________ image.

e. An image formed by a concave ___________ cannot be obtained on a screen.

Answers:
1 a) virtual image
b) convex mirror
c) plane
d) real
e) concave lens 

Question2: Mark ‘T’ if the statement is true and ‘F’ if it is false:
(a) We can obtain an enlarged and erect image by a convex mirror. (T/F)
(b) A concave lens always form a virtual image. (T/F)
(c) We can obtain a real, enlarged and inverted image by a concave mirror. (T/F)
(d) A real image cannot be obtained on a screen. (T/F)
(e) A concave mirror always form a real image. (T/F)

Answers: a-false b-true c-true d-false e-false

Class 7 - Science Chapter 15 - Light

 Class 7 - Science Chapter 15 - Light

1. Light travels along straight lines. This property is called rectilinear propagation of light.

2. Any polished or a shining surface acts as a mirror.

3. Change in direction of light from an object is called reflection of light.

4. An image which can be obtained on a screen is called a real image.

5. An image which cannot be obtained on a screen is called a virtual image.

6. The image formed by a plane mirror is erect. It is virtual and is of the same size as the object. The image is at the same distance behind the mirror as the object is in front of it.

7. In an image formed by a mirror, the left side of the object is seen on the right side in the image, and right side of the object appears to be on the left side in the image. This property is called Lateral Inversion.